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This is the latest accepted revision, reviewed on 16 December 2024. Variety of the color blue For other uses, see Shades of Blue (disambiguation). "Shade of Blue" redirects here. For the song by Black Rebel Motorcycle Club, see Shade of Blue (song). For the R&B/funk band, see Shade of Blue (band).

Blue


Wavelength	440–490 nm
Common connotations
masculinity, cold, sadness, confidence, harmony, water
Color coordinates
Hex triplet	#0000FF
sRGB (r, g, b)	(0, 0, 255)
HSV (h, s, v)	(240°, 100%, 100%)
CIELCh_uv (L, C, h)	(32, 131, 266°)
Source	X11
B: Normalized to (byte)

Varieties of the color blue may differ in hue, chroma (also called saturation, intensity, or colorfulness), or lightness (or value, tone, or brightness), or in two or three of these qualities. Variations in value are also called tints and shades, a tint being a blue or other hue mixed with white, a shade being mixed with black. A large selection of these colors is shown below.

Definitions of blue

Blue (RGB) (X11 blue)

Blue (Computer web color)

Red, green, and blue lights, representing the three basic additive primary colors of the RGB color system, red, green, and blue
Color coordinates
Hex triplet	#0000FF
sRGB (r, g, b)	(0, 0, 255)
HSV (h, s, v)	(240°, 100%, 100%)
CIELCh_uv (L, C, h)	(32, 131, 266°)
Source	X11 color names HTML/CSS
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

The color defined as blue in the RGB color model, X11 blue, is the brightest possible blue that can be reproduced on a computer screen, and is the color named blue in X11. It is one of the three primary colors used in the RGB color space, along with red and green. The three additive primaries in the RGB color system are the three colors of light chosen such as to provide the maximum gamut of colors that are capable of being represented on a computer or television set.

This color is also called color wheel blue. It is at 240 degrees on the HSV color wheel, also known as the RGB color wheel. It is a spectral color which lies at, or near, the short-wave (violet) end of the traditional "blue" and possibly was classified as "indigo" by Newton. Its complementary color is yellow.

Blue (CMYK) (pigment blue)

Blue (CMYK) (pigment blue)

Cyan, magenta, and yellow are the three subtractive primary colors used in printing
Color coordinates
Hex triplet	#333399
sRGB (r, g, b)	(51, 51, 153)
HSV (h, s, v)	(240°, 67%, 60%)
CIELCh_uv (L, C, h)	(28, 73, 266°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

The color defined as blue in the CMYK color system used in printing, also known as pigment blue, is the tone of blue that is achieved by mixing process (printer's) cyan and process (printer's) magenta in equal proportions.

The purpose of the CMYK color system is to provide the maximum possible gamut of color reproducible in printing by the use of only three primaries.

The color indicated is only approximate as the colors of printing inks may vary.

Blue (Pantone)

Blue (Pantone)

Color coordinates
Hex triplet	#0018A8
sRGB (r, g, b)	(0, 24, 168)
HSV (h, s, v)	(231°, 100%, 66%)
CIELCh_uv (L, C, h)	(22, 82, 265°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Blue (Pantone) is the color that is called blue in Pantone.

The source of this color is the "Pantone Textile Paper eXtended (TPX)" color list, color # Blue C, EC, HC, M, PC, U, or UP—Blue.

Blue (NCS) (psychological primary blue)

Blue (NCS)

Approximations within the sRGB gamut to the primary colors of the Natural Color System, a model based on the opponent process theory of color vision
Color coordinates
Hex triplet	#0087BD
sRGB (r, g, b)	(0, 135, 189)
HSV (h, s, v)	(197°, 100%, 74%)
CIELCh_uv (L, C, h)	(53, 65, 237°)
Source	sRGB approximation to NCS 2060-B
ISCC–NBS descriptor	Moderate blue
B: Normalized to (byte)

The color defined as blue in the NCS or Natural Color System is an azure-like color. The Natural Color System is a color system based on the four unique hues or psychological primary colors red, yellow, green, and blue. The NCS is based on the opponent process theory of vision.

The "Natural Color System" is widely used in Scandinavia.

NCS Blue can only be displayed approximately on a computer screen, as these spectral colors have been adjusted to fit into the sRGB gamut. In the 21st century, this hue is classified as an variation of azure that is on the border of cyan.

Blue (Munsell)

Blue (Munsell)

The hues of the Munsell color system, at varying values, and maximum chroma to stay in the sRGB gamut
Color coordinates
Hex triplet	#00DEFF
sRGB (r, g, b)	(0, 222, 255)
HSV (h, s, v)	(188°, 100%, 100%)
CIELCh_uv (L, C, h)	(82, 73, 215°)
Source
ISCC–NBS descriptor	Strong greenish blue
B: Normalized to (byte)

The Munsell color system is a color space that specifies colors based on three color dimensions: hue, value (lightness), and chroma (color purity), spaced uniformly (according to the logarithmic scale which governs human perception) in three dimensions in the Munsell color solid, which is shaped like an elongated oval at an angle. In order for all the colors to be spaced uniformly, it was found necessary to use a color wheel with five primary colors: red, yellow, green, blue, and purple.

Munsell can only be displayed approximately on a computer screen, as these spectral colors have been adjusted to fit into the sRGB gamut. In the 21st century, its blue is classified as an intermediate between azure and cyan.

Tints, shades, and variations of blue

The term tint and shade is used in its technical sense as used in color theory.

In this section, the term 'tint' usually refers to a blueish color mixed with white or light gray. The term shade is used in its technical sense as used in color theory, meaning a blueish color mixed with black or dark gray.

The colors arranged in order of their value (brightness) (V in the HSV code), the brighter colors toward the top and the darker colors toward the bottom.

Periwinkle

Main article: Periwinkle (color)

Periwinkle

Periwinkle flowers
Color coordinates
Hex triplet	#CCCCFF
sRGB (r, g, b)	(204, 204, 255)
HSV (h, s, v)	(240°, 20%, 100%)
CIELCh_uv (L, C, h)	(84, 42, 266°)
Source	Maerz and Paul
ISCC–NBS descriptor	Very light purplish blue
B: Normalized to (byte)

Periwinkle (also periwinkle blue or lavender blue) is a mixture of white, blue, and red. It is named after the Periwinkle flower and is also commonly referred to as a tone of light blue.

Neon blue

Neon Blue

Color coordinates
Hex triplet	#4D4DFF
sRGB (r, g, b)	(77, 77, 255)
HSV (h, s, v)	(240°, 70%, 100%)
CIELCh_uv (L, C, h)	(44, 131, 266°)
Source
ISCC–NBS descriptor	Vivid purplish blue
B: Normalized to (byte)

Neon blue is a vivid purplish blue.

Bluebonnet

Bluebonnet

Bluebonnet flowers
Color coordinates
Hex triplet	#1C1CF0
sRGB (r, g, b)	(28, 28, 240)
HSV (h, s, v)	(240°, 88%, 94%)
CIELCh_uv (L, C, h)	(33, 124, 266°)
Source
B: Normalized to (byte)

Bluebonnet is a bright shade of blue with a slight violet tinge. It represents the color of bluebonnet flowers, which are part of the lupin family. The bluebonnet is the state flower of Texas.

Twin bed

Twin Bed

Color coordinates
Hex triplet	#BEDBED
sRGB (r, g, b)	(190, 219, 237)
HSV (h, s, v)	(203°, 20%, 93%)
CIELCh_uv (L, C, h)	(86, 24, 228°)
Source
B: Normalized to (byte)

Twin Bed is so named since its HEX color code spells out "BED" twice. The color is also recognized for bearing close semblance to the light pastel shade of cyan common on bed sheets.

Savoy blue

Savoy blue

Color coordinates
Hex triplet	#4B61D1
sRGB (r, g, b)	(75, 97, 209)
HSV (h, s, v)	(230°, 64%, 82%)
CIELCh_uv (L, C, h)	(45, 94, 262°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Savoy blue, or savoy azure, is a shade of saturation blue between peacock blue and periwinkle, lighter than peacock blue. It owes its name to its being the color of the House of Savoy, a ruling dynasty in Italy from 1861 to 1946.

The Italy national football team at the 1982 FIFA World Cup

Having become a national color with the unification of Italy (1861), its use continued even after the birth of the Italian Republic (1946) with the name "Italian blue". An Italian-blue border was inserted on the edge of the Presidential Standard of Italy and the use of the blue scarf for the Italian Armed Forces' officers, for the presidents of the Italian provinces during the official ceremonies and of the blue jersey for Italian national sports teams it was also maintained in the Republican era.

Medium blue

Medium Blue

Color coordinates
Hex triplet	#0000CD
sRGB (r, g, b)	(0, 0, 205)
HSV (h, s, v)	(240°, 100%, 80%)
CIELCh_uv (L, C, h)	(25, 101, 266°)
Source	X11
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

The web color medium blue is a shade of the standard (h = 240°) blue.

Process blue

Process Blue C

Color coordinates
Hex triplet	#0085CA
sRGB (r, g, b)	(0, 133, 202)
HSV (h, s, v)	(200°, 100%, 79%)
CIELCh_uv (L, C, h)	(53, 75, 244°)
Source
B: Normalized to (byte)

Process blue is a Pantone-defined shade used by the football team the Carolina Panthers and is sometimes consequently called "Carolina blue" or "Panther blue".

Liberty

Liberty

Color coordinates
Hex triplet	#545AA7
sRGB (r, g, b)	(84, 90, 167)
HSV (h, s, v)	(236°, 50%, 65%)
CIELCh_uv (L, C, h)	(41, 64, 264°)
Source
ISCC–NBS descriptor	Strong blue
B: Normalized to (byte)

Liberty is a strong blue color.

The first recorded use of liberty as a color name in English was in 1918.

Egyptian blue

Main article: Egyptian blue

Egyptian Blue

Color coordinates
Hex triplet	#1034A6
sRGB (r, g, b)	(16, 52, 166)
HSV (h, s, v)	(226°, 90%, 65%)
CIELCh_uv (L, C, h)	(28, 82, 263°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Egyptian blue is a pigment that was used in Ancient Egypt.

International Klein Blue

International Klein Blue

Color coordinates
Hex triplet	#002FA7
sRGB (r, g, b)	(0, 47, 167)
HSV (h, s, v)	(223°, 100%, 65%)
CIELCh_uv (L, C, h)	(26, 83, 263°)
Source
B: Normalized to (byte)

International Klein Blue (IKB) is a deep blue hue first mixed by the French artist Yves Klein. IKB's visual impact comes from its heavy reliance on ultramarine, as well as Klein's often thick and textured application of paint to canvas. Klein never patented the color, only submitting a Soleau envelope without progressing to the patent stage.

Ultramarine

Main article: Ultramarine

Ultramarine

Ultramarine pigment
Color coordinates
Hex triplet	#120A8F
sRGB (r, g, b)	(18, 10, 143)
HSV (h, s, v)	(244°, 93%, 56%)
CIELCh_uv (L, C, h)	(17, 65, 266°)
Source	Xona Games and ColorHexa
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Ultramarine is a blue pigment in use since medieval times. It was originally derived from lapis lazuli, a bright blue mineral.

Dark blue

Dark Blue

Color coordinates
Hex triplet	#00008B
sRGB (r, g, b)	(0, 0, 139)
HSV (h, s, v)	(240°, 100%, 55%)
CIELCh_uv (L, C, h)	(15, 60, 266°)
Source	X11
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Dark blue is a shade of the standard (h = 240°) blue.

Picotee blue

Picotee Blue

Color coordinates
Hex triplet	#2E2787
sRGB (r, g, b)	(46, 39, 135)
HSV (h, s, v)	(244°, 71%, 53%)
CIELCh_uv (L, C, h)	(23, 63, 267°)
Source
B: Normalized to (byte)

Picotee blue represents the color of the picotee flower. It is a deep shade of indigo, almost resembling St. Patrick's blue.

Navy blue

Main article: Navy blue

Navy Blue

Color coordinates
Hex triplet	#000080
sRGB (r, g, b)	(0, 0, 128)
HSV (h, s, v)	(240°, 100%, 50%)
CIELCh_uv (L, C, h)	(13, 52, 266°)
Source	HTML/CSS
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Navy blue is a shade of the standard (h = 240°) blue. Navy blue got its name from the dark blue (contrasted with white) worn by sailors in the Royal Navy since 1748 (originally called marine blue before 1840) and subsequently adopted by other navies around the world.

The first recorded use of navy blue as a color name in English was in 1840.

Midnight blue

Main article: Midnight blue

Midnight Blue

Color coordinates
Hex triplet	#191970
sRGB (r, g, b)	(25, 25, 112)
HSV (h, s, v)	(240°, 78%, 44%)
CIELCh_uv (L, C, h)	(16, 49, 266°)
Source	X11
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Midnight blue is an X11 web color. This color was originally called midnight. The first recorded use of midnight as a color name in English was in 1915.

Independence

Independence

Color coordinates
Hex triplet	#4C516D
sRGB (r, g, b)	(76, 81, 109)
HSV (h, s, v)	(231°, 30%, 43%)
CIELCh_uv (L, C, h)	(35, 23, 260°)
Source
ISCC–NBS descriptor	Dark blue
B: Normalized to (byte)

Independence is a dark blue color.

The first recorded use of independence as a color name in English was in 1927.

Cool black

Cool black (PMS 295)

Color coordinates
Hex triplet	#002E63
sRGB (r, g, b)	(0, 46, 99)
HSV (h, s, v)	(212°, 100%, 39%)
CIELCh_uv (L, C, h)	(19, 41, 255°)
Source
ISCC–NBS descriptor	Very dark blue
B: Normalized to (byte)

Cool black is a dark shade of blue. It is one of the Pantone colors.

Space cadet

Main article: Cadet grey § Space cadet

Space Cadet

Color coordinates
Hex triplet	#1E2952
sRGB (r, g, b)	(30, 41, 82)
HSV (h, s, v)	(227°, 63%, 32%)
CIELCh_uv (L, C, h)	(18, 29, 260°)
Source
ISCC–NBS descriptor	Dark blue
B: Normalized to (byte)

Space cadet is one of the colors on the Resene Color List, a color list popular in Australia and New Zealand. The color "space cadet" was formulated in 2007.

Ambiguous variations of blue

This section possibly contains original research. Relevant discussion may be found on Talk:Shades of blue. Please improve it by verifying the claims made and adding inline citations. Statements consisting only of original research should be removed. (February 2021) (Learn how and when to remove this message)

In this section, shades fall outside the tertiary color range for blue, and many can be considered variations of cyan and azure, rather than blue.

Baby blue

Main article: Baby blue

Baby blue

Color coordinates
Hex triplet	#89CFF0
sRGB (r, g, b)	(137, 207, 240)
HSV (h, s, v)	(199°, 43%, 94%)
CIELCh_uv (L, C, h)	(80, 48, 227°)
Source	Maerz & Paul (1930)
ISCC–NBS descriptor	Very light greenish blue
B: Normalized to (byte)

Baby blue is known as one of the pastel colors.

The first recorded use of baby blue as a color name in English was in 1892.

Light blue

Main article: Light blue

Light blue

Color coordinates
Hex triplet	#ADD8E6
sRGB (r, g, b)	(173, 216, 230)
HSV (h, s, v)	(195°, 25%, 90%)
CIELCh_uv (L, C, h)	(84, 28, 216°)
Source	X11
ISCC–NBS descriptor	Very light greenish blue
B: Normalized to (byte)

The web color light blue is part of the X11 color system, with a hue code of 194. Variations of this color are known as sky blue, baby blue, or angel blue.

The first recorded use of "light blue" as a color term in English is in 1915.

Powder blue

Main article: Powder blue

Powder Blue

Color coordinates
Hex triplet	#B0E0E6
sRGB (r, g, b)	(176, 224, 230)
HSV (h, s, v)	(187°, 23%, 90%)
CIELCh_uv (L, C, h)	(86, 26, 202°)
Source	X11
ISCC–NBS descriptor	Very light bluish green
B: Normalized to (byte)

Powder blue is a light bluish green.

The first recorded use of powder blue as a color name in English was in 1774. It is a web color.

Uranian blue

Uranian Blue

Uranus with clouds
Color coordinates
Hex triplet	#AFDBF5
sRGB (r, g, b)	(175, 219, 245)
HSV (h, s, v)	(202°, 29%, 96%)
CIELCh_uv (L, C, h)	(85, 35, 229°)
Source
ISCC–NBS descriptor	Very light greenish blue
B: Normalized to (byte)

Uranian blue is a light greenish blue, the color of Uranus, which was named after Uranus, the primordial god of the sky and the heavens in Greek mythology.

Argentinian blue

Argentinian Blue

Flag of Argentina
Color coordinates
Hex triplet	#6CB4EE
sRGB (r, g, b)	(108, 180, 238)
HSV (h, s, v)	(207°, 55%, 93%)
CIELCh_uv (L, C, h)	(71, 65, 241°)
Source
ISCC–NBS descriptor	Light blue
B: Normalized to (byte)

The web color Argentinian blue is a light azure color seen on the national flag of Argentina.

Ruddy blue

Ruddy Blue

Male Ruddy duck
Color coordinates
Hex triplet	#76ABDF
sRGB (r, g, b)	(118, 171, 223)
HSV (h, s, v)	(210°, 47%, 87%)
CIELCh_uv (L, C, h)	(68, 56, 243°)
Source
ISCC–NBS descriptor	Brilliant blue
B: Normalized to (byte)

Ruddy blue represents the coloring of the beak of the ruddy duck.

Celtic blue

Celtic Blue

Colour coordinates
Hex triplet	#246BCE
sRGB (r, g, b)	(36, 107, 206)
HSV (h, s, v)	(215°, 83%, 81%)
CIELCh_uv (L, C, h)	(46, 91, 255°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Celtic blue is a shade of blue, also known as glas celtig in Welsh, or gorm ceilteach in both the Irish language and in Scottish Gaelic. Julius Caesar reported (in Commentarii de Bello Gallico) that the Britanni used to colour their bodies blue with vitrum, a word that means primarily "glass", but also the domestic name for the "woad" (Isatis tinctoria), besides the Gaulish loanword glastum (from Proto-Celtic *glastos "green"). The connection seems to be that both glass and the woad are "water-like" (lat. vitrum is from Proto-Indo-European *wed-ro- "water-like").

Spanish blue

Spanish Blue

Color coordinates
Hex triplet	#0070B8
sRGB (r, g, b)	(0, 112, 184)
HSV (h, s, v)	(203°, 100%, 72%)
CIELCh_uv (L, C, h)	(46, 73, 248°)
Source	Gallego and Sanz
ISCC–NBS descriptor	Strong blue
B: Normalized to (byte)

Spanish blue is the color that is called Azul (the Spanish word for "blue") in the Guía de coloraciones (Guide to colorations) by Rosa Gallego and Juan Carlos Sanz, a color dictionary published in 2005 that is widely popular in the Hispanophone realm.

Bleu de France

Main article: Bleu de France (colour)

Bleu de France

Color coordinates
Hex triplet	#318CE7
sRGB (r, g, b)	(49, 140, 231)
HSV (h, s, v)	(210°, 79%, 91%)
CIELCh_uv (L, C, h)	(57, 90, 250°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Bleu de France is a vivid blue color that has been associated in heraldry with the Kings of France since the 12th century.

Delft blue

Delft Blue

Color coordinates
Hex triplet	#1F305E
sRGB (r, g, b)	(31, 48, 94)
HSV (h, s, v)	(224°, 67%, 37%)
CIELCh_uv (L, C, h)	(21, 35, 258°)
Source
ISCC–NBS descriptor	Dark blue
B: Normalized to (byte)

Delft blue is a dark blue color.

The name is derived from the Dutch pottery Delftware, also known simply as "Delft Blue".

Duck blue

Duck Blue

Color coordinates
Hex triplet	#007791
sRGB (r, g, b)	(0, 119, 145)
HSV (h, s, v)	(191°, 100%, 57%)
CIELCh_uv (L, C, h)	(46, 44, 222°)
Source
ISCC–NBS descriptor	Moderate greenish blue
B: Normalized to (byte)

Duck blue is a moderate greenish blue.

Resolution blue

Resolution Blue

Color coordinates
Hex triplet	#002387
sRGB (r, g, b)	(0, 35, 135)
HSV (h, s, v)	(224°, 100%, 53%)
CIELCh_uv (L, C, h)	(20, 64, 263°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Resolution blue is a vivid blue color.

This color name first came into use in 2001 when it was formulated as one of the colors on the Xona.com Color List.

Polynesian blue

Polynesian Blue

Color coordinates
Hex triplet	#224C98
sRGB (r, g, b)	(34, 76, 152)
HSV (h, s, v)	(219°, 78%, 60%)
CIELCh_uv (L, C, h)	(34, 66, 257°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Polynesian blue is a dark blue color, almost navy.

Moroccan Blue

Chefchaouen Blue

Color coordinates
Hex triplet	#468fEA
sRGB (r, g, b)	(70, 143, 234)
HSV (h, s, v)	(213°, 70%, 92%)
CIELCh_uv (L, C, h)	(59, 89, 252°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Moroccan blue (also Chefchaouen blue) is a vivid blue color.

Sapphire

Main article: Sapphire (color)

Sapphire

Sapphire gemstone
Color coordinates
Hex triplet	#082567
sRGB (r, g, b)	(8, 37, 103)
HSV (h, s, v)	(222°, 92%, 40%)
CIELCh_uv (L, C, h)	(17, 45, 260°)
Source
ISCC–NBS descriptor	Deep blue
B: Normalized to (byte)

Sapphire is a deep shade of navy blue, based on the color of an average sapphire gemstone. However, sapphire gems can also be pink, yellow, or orange.

Fluorescent blue

Fluorescent blue

Indian 50 rupee note, obverse
Color coordinates
Hex triplet	#15F4EE
sRGB (r, g, b)	(21, 244, 238)
HSV (h, s, v)	(178°, 91%, 96%)
CIELCh_uv (L, C, h)	(87, 68, 188°)
Source
ISCC–NBS descriptor	Brilliant bluish green
B: Normalized to (byte)

Fluorescent blue is a shade of blue that is radiant based on fluorescence. This is the main color on the Indian 50-rupee note.

Teal blue

Teal blue

Color coordinates
Hex triplet	#367588
sRGB (r, g, b)	(54, 117, 136)
HSV (h, s, v)	(194°, 60%, 53%)
CIELCh_uv (L, C, h)	(46, 34, 220°)
Source
ISCC–NBS descriptor	Moderate greenish blue
B: Normalized to (byte)

Teal blue is a medium tone of teal with more blue.

The first recorded use of teal blue as a color name in English was in 1927.

Shades of azure

Azure


Color coordinates
Hex triplet	#0080FF
sRGB (r, g, b)	(0, 128, 255)
HSV (h, s, v)	(210°, 100%, 100%)
CIELCh_uv (L, C, h)	(55, 117, 255°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Azure (/ˈæʒər, ˈeɪʒər/ AZH-ər, AY-zhər, UK also /ˈæzjʊər, ˈeɪzjʊər/ AZ-ure, AY-zure) is a variation of blue that is often described as the color of the sky on a clear day.

On the RGB color wheel, "azure" (hexadecimal #0080FF) is defined as the color at 210 degrees, i.e., the hue halfway between blue and cyan. In the RGB color model, used to create all the colors on a television or computer screen, azure is created by adding a little green light to blue light. The complementary color of azure is orange.

Azure (web color)

Azure mist

Color coordinates
Hex triplet	#F0FFFF
sRGB (r, g, b)	(240, 255, 255)
HSV (h, s, v)	(180°, 6%, 100%)
CIELCh_uv (L, C, h)	(99, 8, 192°)
Source	X11
ISCC–NBS descriptor	Very pale cyan
B: Normalized to (byte)

In the X11 color system which became a standard for early web colors, azure is depicted as a pale cyan or whitish cyan rather than a shade of azure.

In an artistic context, this color could also be called azure mist or cyan mist.

Variations of azure

In this section, the term shade is used in its technical sense as used in color theory, meaning a blueish color mixed with black or dark gray. The colors arranged in order of their value (brightness) (V in the HSV code), the brighter colors toward the top and the darker colors toward the bottom.

Alice blue

Main article: Alice blue

Alice Blue

Color coordinates
Hex triplet	#F0F8FF
sRGB (r, g, b)	(240, 248, 255)
HSV (h, s, v)	(208°, 6%, 100%)
CIELCh_uv (L, C, h)	(97, 8, 233°)
Source	X11
ISCC–NBS descriptor	Greenish white
B: Normalized to (byte)

The web color Alice blue is a pale tint of azure.

Uranian blue

Uranian Blue

Color coordinates
Hex triplet	#AFDBF5
sRGB (r, g, b)	(175, 219, 245)
HSV (h, s, v)	(202°, 29%, 96%)
CIELCh_uv (L, C, h)	(85, 35, 229°)
Source
ISCC–NBS descriptor	Very light greenish blue
B: Normalized to (byte)

Uranian blue is a light greenish blue, the color of Uranus.

Light blue

Main article: Light blue

Light blue

Color coordinates
Hex triplet	#ADD8E6
sRGB (r, g, b)	(173, 216, 230)
HSV (h, s, v)	(195°, 25%, 90%)
CIELCh_uv (L, C, h)	(84, 28, 216°)
Source	X11
ISCC–NBS descriptor	Very light greenish blue
B: Normalized to (byte)

The web color light blue is part of the X11 color system, with a hue code of 194. This color is closer to cyan than to blue. Variations of this color are known as sky blue, baby blue, or angel blue.

The first recorded use of "light blue" as a color term in English is in the year 1915.

Columbia blue

Main article: Columbia blue

Columbia Blue

Color coordinates
Hex triplet	#B9D9EB
sRGB (r, g, b)	(185, 217, 235)
HSV (h, s, v)	(202°, 21%, 92%)
CIELCh_uv (L, C, h)	(85, 25, 226°)
Source	Columbia University
ISCC–NBS descriptor	Very light greenish blue
B: Normalized to (byte)

Columbia blue is a medium light tone of azure named after Columbia University. The typical Columbia blue is defined by Pantone Columbia Blue (PANTONE 290).

Cloudy blue

Cloudy Blue

Color coordinates
Hex triplet	#9BBCD8
sRGB (r, g, b)	(155, 188, 216)
HSV (h, s, v)	(208°, 28%, 85%)
CIELCh_uv (L, C, h)	(75, 32, 236°)
Source
ISCC–NBS descriptor	Light greenish blue
B: Normalized to (byte)

Cloudy blue is a light, opaque tone of azure.

Baby blue

Main article: Baby blue

Baby blue

Color coordinates
Hex triplet	#89CFF0
sRGB (r, g, b)	(137, 207, 240)
HSV (h, s, v)	(199°, 43%, 94%)
CIELCh_uv (L, C, h)	(80, 48, 227°)
Source	Maerz and Paul
ISCC–NBS descriptor	Very light greenish blue
B: Normalized to (byte)

Baby blue is known as one of the pastel colors. With a hue code of 199, this color is a tone of azure.

This color is associated with baby boys in Western culture.

The first recorded use of baby blue as a color name in English was in 1892.

Light sky blue

Light Sky Blue

Color coordinates
Hex triplet	#87CEFA
sRGB (r, g, b)	(135, 206, 250)
HSV (h, s, v)	(203°, 46%, 98%)
CIELCh_uv (L, C, h)	(80, 55, 233°)
Source	X11 color names
ISCC–NBS descriptor	Brilliant greenish blue
B: Normalized to (byte)

There is a web color of light sky blue.

Sky blue

Main article: Sky blue

Sky Blue

Common connotations
boys, daylight, water, air, paleness
Color coordinates
Hex triplet	#87CEEB
sRGB (r, g, b)	(135, 206, 235)
HSV (h, s, v)	(197°, 43%, 92%)
CIELCh_uv (L, C, h)	(79, 46, 223°)
Source	X11 color names
ISCC–NBS descriptor	Very light greenish blue
B: Normalized to (byte)

The first recorded use of sky blue as a color name in English was in 1728 in the Cyclopædia of Ephraim Chambers. Prior to the Chambers reference, the color had first been used in 1585 in a book by Nicolas de Nicolay where he stated "the tulbant of the merchant must be skie coloured".

Deep sky blue

Deep Sky Blue

Color coordinates
Hex triplet	#00BFFF
sRGB (r, g, b)	(0, 191, 255)
HSV (h, s, v)	(195°, 100%, 100%)
CIELCh_uv (L, C, h)	(73, 83, 234°)
Source	X11
ISCC–NBS descriptor	Brilliant greenish blue
B: Normalized to (byte)

Deep sky blue is an azure-cyan color associated with deep sky blue.

Deep sky blue (Capri) is a web color.

This color is on the color wheel (RGB/HSV color wheel) halfway between azure and cyan.

The traditional name for this color is Capri.

The first use of Capri as a color name in English was in 1920.

The color Capri in general is named for the azure-cyan color of the Mediterranean Sea around the island of Capri off Italy, the site of several villas belonging to the Roman Emperor Tiberius, including his imperial residence in his later years, the Villa Jovis. Specifically, the color Capri is named after the color of the Blue Grotto on the island of Capri as it appears on a bright sunny day. Today the island of Capri is a resort island popular with tourists.

The name deep sky blue for this color did not come into use until the promulgation of the X11 color list in 1987.

The name Capri is still used for this color as well as the name deep sky blue.

Cerulean

Cerulean

Color coordinates
Hex triplet	#007BA7
sRGB (r, g, b)	(0, 123, 167)
HSV (h, s, v)	(196°, 100%, 65%)
CIELCh_uv (L, C, h)	(48, 56, 234°)
Source
ISCC–NBS descriptor	Strong greenish blue
B: Normalized to (byte)

Main article: Cerulean

The first recorded use of cerulean as a color name in English was in 1590.

The word is probably derived from the Latin word caeruleus, "dark blue, blue, or blue-green", which in turn probably derives from caelulum, diminutive of caelum, "heaven, sky".

Pale azure

Pale azure

Color coordinates
Hex triplet	#87D3F8
sRGB (r, g, b)	(135, 211, 248)
HSV (h, s, v)	(200°, 46%, 97%)
CIELCh_uv (L, C, h)	(81, 52, 228°)
Source	X11
ISCC–NBS descriptor	Very light greenish blue
B: Normalized to (byte)

Maya blue

Main article: Maya blue

Maya Blue

Color coordinates
Hex triplet	#73C2FB
sRGB (r, g, b)	(115, 194, 251)
HSV (h, s, v)	(205°, 54%, 98%)
CIELCh_uv (L, C, h)	(76, 66, 238°)
Source
ISCC–NBS descriptor	Light blue
B: Normalized to (byte)

Maya blue was a pigment widely used by the Mayan civilization.

Jordy blue

Jordy Blue

Color coordinates
Hex triplet	#8AB9F1
sRGB (r, g, b)	(138, 185, 241)
HSV (h, s, v)	(213°, 43%, 95%)
CIELCh_uv (L, C, h)	(74, 57, 246°)
Source
ISCC–NBS descriptor	Light blue
B: Normalized to (byte)

The color name jordy blue dates back to at least 2001, and came into wider use when the Resene Paints colors were used as one of the sources for the Xona Games Color List.

Picton blue

Picton Blue

Color coordinates
Hex triplet	#45B1E8
sRGB (r, g, b)	(69, 177, 232)
HSV (h, s, v)	(200°, 70%, 91%)
CIELCh_uv (L, C, h)	(68, 69, 235°)
Source
ISCC–NBS descriptor	Brilliant greenish blue
B: Normalized to (byte)

The color name Picton blue dates back to at least 2001, and came into wider use when the Resene Paints colors were used as one of the sources for the Xona Games Color List. Many of Resene's shades of blue and cyan are named after places in New Zealand's Marlborough Sounds, where the town of Picton is located.

United Nations blue

United Nations Blue

Color coordinates
Hex triplet	#009EDB
sRGB (r, g, b)	(0, 158, 219)
HSV (h, s, v)	(197°, 100%, 86%)
CIELCh_uv (L, C, h)	(61, 75, 237°)
Source
ISCC–NBS descriptor	Strong blue
B: Normalized to (byte)

The color United Nations blue resembles the shade of blue seen on the flag of the United Nations. Current branding guidelines (since 2020) use Pantone 2925. Previously, the flag used Pantone 279.

Cornflower blue

Main article: Cornflower blue

Cornflower Blue

Color coordinates
Hex triplet	#6495ED
sRGB (r, g, b)	(100, 149, 237)
HSV (h, s, v)	(219°, 58%, 93%)
CIELCh_uv (L, C, h)	(62, 83, 254°)
Source	X11
ISCC–NBS descriptor	Brilliant blue
B: Normalized to (byte)

Cornflower blue is a shade of medium-to-light blue containing relatively little green. Its name is a reference to the flower Centaurea cyanus.

Bleu de France

Main article: Bleu de France (colour)

Bleu de France

Color coordinates
Hex triplet	#318CE7
sRGB (r, g, b)	(49, 140, 231)
HSV (h, s, v)	(210°, 79%, 91%)
CIELCh_uv (L, C, h)	(57, 90, 250°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Bleu de France is a color that has been associated in heraldry with the Kings of France since the 12th century.

Dodger blue

Main article: Dodger blue

Dodger Blue

Color coordinates
Hex triplet	#1E90FF
sRGB (r, g, b)	(30, 144, 255)
HSV (h, s, v)	(210°, 88%, 100%)
CIELCh_uv (L, C, h)	(59, 107, 252°)
Source	X11
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Dodger blue is a rich bright tone of azure named for its use in the uniform of the Los Angeles Dodgers.

Brandeis blue

Brandeis Blue

Color coordinates
Hex triplet	#0070FF
sRGB (r, g, b)	(0, 112, 255)
HSV (h, s, v)	(214°, 100%, 100%)
CIELCh_uv (L, C, h)	(50, 124, 258°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Brandeis blue is the tone of azure used in association with Brandeis University.

The university administration defines Brandeis blue as corresponding to the Pantone color of 294 or the process color of 100c 86m 14y w24k.

True blue

Main article: True Blue (color)

True Blue

Color coordinates
Hex triplet	#2D68C4
sRGB (r, g, b)	(45, 104, 196)
HSV (h, s, v)	(217°, 77%, 77%)
CIELCh_uv (L, C, h)	(45, 84, 256°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

The color true blue is a deep tone of azure that is the color of the uniforms of the sports teams of UCLA. It is also one of the shades of blue used by the Los Angeles Chargers though they use the name powder blue.

Tang blue

Tang Blue

Color coordinates
Hex triplet	#0059CF
sRGB (r, g, b)	(0, 89, 207)
HSV (h, s, v)	(214°, 100%, 81%)
CIELCh_uv (L, C, h)	(41, 100, 258°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

The color tang blue is a deep tone of azure that is the color of royal blue tang fish.

Puerto Rican blue

Puerto Rican Blue

Color coordinates
Hex triplet	#0044ff
sRGB (r, g, b)	(0, 68, 255)
HSV (h, s, v)	(224°, 100%, 100%)
CIELCh_uv (L, C, h)	(40, 134, 263°)
Source
ISCC–NBS descriptor	Bright blue
B: Normalized to (byte)

Puerto Rican blue is a bright, cool, saturated shade of blue matching the shade of color of the triangle on Puerto Rico's current national flag.

Royal blue (web color)

Main article: Royal blue

Royal Blue (web color)

Color coordinates
Hex triplet	#4169E1
sRGB (r, g, b)	(65, 105, 225)
HSV (h, s, v)	(225°, 71%, 88%)
CIELCh_uv (L, C, h)	(48, 103, 260°)
Source	X11
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

The web color royal blue is a rich tone of azure.

Celestial blue

Celestial Blue

Color coordinates
Hex triplet	#4997D0
sRGB (r, g, b)	(73, 151, 208)
HSV (h, s, v)	(205°, 65%, 82%)
CIELCh_uv (L, C, h)	(60, 64, 241°)
Source
ISCC–NBS descriptor	Light blue
B: Normalized to (byte)

The first recorded use of celestial blue as a color name in English was in 1535.

The source of this color is the Plochere Color System, a color system formulated in 1948 that is widely used by interior designers.

Vista blue

Vista Blue

Color coordinates
Hex triplet	#7C9ED9
sRGB (r, g, b)	(124, 158, 217)
HSV (h, s, v)	(218°, 43%, 85%)
CIELCh_uv (L, C, h)	(65, 57, 251°)
Source
ISCC–NBS descriptor	Light blue
B: Normalized to (byte)

The source of vista blue is the "Pantone Textile Paper eXtended (TPX)" color list, color #15-3930 TPX—Vista Blue.

Silver Lake blue

Silver Lake Blue

Color coordinates
Hex triplet	#5D89BA
sRGB (r, g, b)	(93, 137, 186)
HSV (h, s, v)	(212°, 50%, 73%)
CIELCh_uv (L, C, h)	(56, 51, 246°)
Source
ISCC–NBS descriptor	Moderate blue
B: Normalized to (byte)

The source of Silver Lake blue is the "Pantone Textile Paper eXtended (TPX)" color list, color #17-4030 TPX—Silver Lake Blue.

Tufts blue

Main article: Tufts Blue

Tufts Blue

Color coordinates
Hex triplet	#3E8EDE
sRGB (r, g, b)	(62, 142, 222)
HSV (h, s, v)	(210°, 72%, 87%)
CIELCh_uv (L, C, h)	(58, 81, 249°)
Source
ISCC–NBS descriptor	Strong blue
B: Normalized to (byte)

Tufts blue is the tone of azure used in association with Tufts University.

Honolulu blue

Main article: Detroit Lions

Honolulu Blue

Color coordinates
Hex triplet	#0076B6
sRGB (r, g, b)	(0, 118, 182)
HSV (h, s, v)	(201°, 100%, 71%)
CIELCh_uv (L, C, h)	(47, 69, 244°)
Source
ISCC–NBS descriptor	Strong blue
B: Normalized to (byte)

Honolulu blue is the tone of azure used in association with the Detroit Lions football team.

Air Force blue

Main article: Air Force blue

Air Force Blue

Color coordinates
Hex triplet	#5D8AA8
sRGB (r, g, b)	(93, 138, 168)
HSV (h, s, v)	(204°, 45%, 66%)
CIELCh_uv (L, C, h)	(55, 37, 234°)
Source	Vexillological:
ISCC–NBS descriptor	Moderate greenish blue
B: Normalized to (byte)

Air force blue, also known as RAF blue, is used by the Royal Air Force, the first air force to choose an "air force blue" color by which to identify itself, in 1920.

The color "air force blue" is a medium tone of azure since it has a hue code of 204 which is a hue code between 195 and 225, signifying a tone of azure.

Steel blue

Main article: Steel blue

Steel Blue

Color coordinates
Hex triplet	#4682B4
sRGB (r, g, b)	(70, 130, 180)
HSV (h, s, v)	(207°, 61%, 71%)
CIELCh_uv (L, C, h)	(52, 54, 243°)
Source	X11
ISCC–NBS descriptor	Moderate blue
B: Normalized to (byte)

Steel blue is a grayish tone of azure that resembles the color blue steel, i.e., steel which has been subjected to bluing in order to protect it from rust.

The first recorded use of steel blue as a color name in English was in 1817.

French blue

French Blue

Color coordinates
Hex triplet	#0072BB
sRGB (r, g, b)	(0, 114, 187)
HSV (h, s, v)	(203°, 100%, 73%)
CIELCh_uv (L, C, h)	(46, 75, 248°)
Source	Maerz and Paul
ISCC–NBS descriptor	Strong blue
B: Normalized to (byte)

French blue is a deep azure color commonly used in quality men's dress shirts.

According to the Oxford English Dictionary, the first use of French Blue in English was in The Times of 1802.

Lapis lazuli

Lapis Lazuli

Color coordinates
Hex triplet	#26619C
sRGB (r, g, b)	(38, 97, 156)
HSV (h, s, v)	(210°, 76%, 61%)
CIELCh_uv (L, C, h)	(40, 58, 249°)
Source
ISCC–NBS descriptor	Moderate blue
B: Normalized to (byte)

The color lapis lazuli is displayed at left.

Lapis Lazuli is a color that is a representation of the most common color of lapis lazuli.

Royal blue (traditional)

Main article: Royal blue

Royal blue (traditional)

Color coordinates
Hex triplet	#002366
sRGB (r, g, b)	(0, 35, 102)
HSV (h, s, v)	(219°, 100%, 40%)
CIELCh_uv (L, C, h)	(16, 44, 260°)
Source
ISCC–NBS descriptor	Deep blue
B: Normalized to (byte)

The traditional color called royal blue is a dark shade of azure.

Blue (NCS) (psychological primary blue)

Blue (NCS)

Color coordinates
Hex triplet	#0087BD
sRGB (r, g, b)	(0, 135, 189)
HSV (h, s, v)	(197°, 100%, 74%)
CIELCh_uv (L, C, h)	(53, 65, 237°)
Source	sRGB approximation to NCS 2060-B
ISCC–NBS descriptor	Moderate blue
B: Normalized to (byte)

The "Natural Color System" is widely used in Scandinavia.

Blue (Munsell)

Blue (Munsell)

Color coordinates
Hex triplet	#0093AF
sRGB (r, g, b)	(0, 147, 175)
HSV (h, s, v)	(190°, 100%, 69%)
CIELCh_uv (L, C, h)	(56, 52, 220°)
Source	Munsell Color Wheel
ISCC–NBS descriptor	Strong greenish blue
B: Normalized to (byte)

The hues of the Munsell color system, at varying values, and maximum chroma to stay in the sRGB gamut

Munsell can only be displayed approximately on a computer screen, as these spectral colors have been adjusted to fit into the sRGB gamut. In the 21st century, its shade of blue is classified as an intermediate between azure and cyan.

Spanish blue

Spanish Blue

Color coordinates
Hex triplet	#0070B8
sRGB (r, g, b)	(0, 112, 184)
HSV (h, s, v)	(203°, 100%, 72%)
CIELCh_uv (L, C, h)	(46, 73, 248°)
Source	Gallego and Sanz
ISCC–NBS descriptor	Strong blue
B: Normalized to (byte)

Argentinian blue

Argentinian Blue

Color coordinates
Hex triplet	#6CB4EE
sRGB (r, g, b)	(108, 180, 238)
HSV (h, s, v)	(207°, 55%, 93%)
CIELCh_uv (L, C, h)	(71, 65, 241°)
Source
ISCC–NBS descriptor	Light blue
B: Normalized to (byte)

The web color Argentinian blue is a light azure color seen on the national flag of Argentina.

Berkeley blue

Berkeley Blue


Color coordinates
Hex triplet	#003262
sRGB (r, g, b)	(0, 50, 98)
HSV (h, s, v)	(209°, 100%, 38%)
CIELCh_uv (L, C, h)	(21, 39, 253°)
Source
ISCC–NBS descriptor	Deep blue
B: Normalized to (byte)

Berkeley Blue is one of the official colors of the University of California, Berkeley, along with California Gold. Until 2007, the university had used Yale Blue in its place, given Berkeley's historical ties to Yale University, particularly in its founding. Berkeley's school colors are the originators for those of all the campuses in the University of California system, of which Berkeley is the oldest as its flagship.

Ruddy blue

Ruddy Blue

Color coordinates
Hex triplet	#76ABDF
sRGB (r, g, b)	(118, 171, 223)
HSV (h, s, v)	(210°, 47%, 87%)
CIELCh_uv (L, C, h)	(68, 56, 243°)
Source
ISCC–NBS descriptor	Brilliant blue
B: Normalized to (byte)

Ruddy blue represents the coloring of the beak of the ruddy duck. It is a light shade of azure.

Celtic blue

Celtic Blue

Colour coordinates
Hex triplet	#246BCE
sRGB (r, g, b)	(36, 107, 206)
HSV (h, s, v)	(215°, 83%, 81%)
CIELCh_uv (L, C, h)	(46, 91, 255°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Polynesian blue

Polynesian Blue

Color coordinates
Hex triplet	#224C98
sRGB (r, g, b)	(34, 76, 152)
HSV (h, s, v)	(219°, 78%, 60%)
CIELCh_uv (L, C, h)	(34, 66, 257°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Polynesian blue is a dark blue color, almost navy.

Moroccan Blue

Chefchaouen Blue

Color coordinates
Hex triplet	#468fea
sRGB (r, g, b)	(70, 143, 234)
HSV (h, s, v)	(213°, 70%, 92%)
CIELCh_uv (L, C, h)	(59, 89, 252°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Moroccan blue (also Chefchaouen blue) is a vivid blue color.

Yale Blue

Main article: Yale Blue

Yale "Blue Site" Blue

Color coordinates
Hex triplet	#00356B
sRGB (r, g, b)	(0, 53, 107)
HSV (h, s, v)	(210°, 100%, 42%)
CIELCh_uv (L, C, h)	(22, 45, 254°)
Source
ISCC–NBS descriptor	Deep blue
B: Normalized to (byte)

Yale Blue is the dark azure color used in association with Yale University. The hue of Yale Blue is one of the two official colors of Indiana State University, the University of Mississippi, and Southern Methodist University. The official color "DCU Blue" of Dublin City University is very close to Yale Blue.

Yale Blue was also an official color of University of California, Berkeley and Duke University.

Penn blue

University of Pennsylvania Blue


Color coordinates
Hex triplet	#011F5B
sRGB (r, g, b)	(1, 31, 91)
HSV (h, s, v)	(220°, 99%, 36%)
CIELCh_uv (L, C, h)	(14, 37, 260°)
Source
ISCC–NBS descriptor	Deep purplish blue
B: Normalized to (byte)

Penn Blue is one of the official colors of the University of Pennsylvania, along with Penn Red. While the school colors were defined by 1910, university history points to earlier times when the colors may have been chosen, including a possible visit by George Washington to the University, where students used the color of his tunic to determine school colors or a track meet where Penn athletes declared that they would wear the colors "of the teams we beat," which would be those of both Harvard University and Yale University. Originally defined as the colors used on the American flag, the colors have since deviated.

Sapphire

Main article: Sapphire (color)

Sapphire

Color coordinates
Hex triplet	#082567
sRGB (r, g, b)	(8, 37, 103)
HSV (h, s, v)	(222°, 92%, 40%)
CIELCh_uv (L, C, h)	(17, 45, 260°)
Source
ISCC–NBS descriptor	Deep blue
B: Normalized to (byte)

Sapphire is a deep shade of navy blue, based on the color of an average sapphire gemstone. However, sapphires can also be pink, yellow, or orange.

Delft blue

Delft Blue

Color coordinates
Hex triplet	#1F305E
sRGB (r, g, b)	(31, 48, 94)
HSV (h, s, v)	(224°, 67%, 37%)
CIELCh_uv (L, C, h)	(21, 35, 258°)
Source
ISCC–NBS descriptor	Dark blue
B: Normalized to (byte)

Delft blue is a dark blue color. The name is derived from the Dutch pottery Delftware, also known simply as "Delft Blue".

Resolution blue

Resolution Blue

Color coordinates
Hex triplet	#002387
sRGB (r, g, b)	(0, 35, 135)
HSV (h, s, v)	(224°, 100%, 53%)
CIELCh_uv (L, C, h)	(20, 64, 263°)
Source
ISCC–NBS descriptor	Vivid blue
B: Normalized to (byte)

Resolution blue is a vivid blue color. The color name dates back to at least 2001, and came into wider use when the Resene Paints colors were used as one of the sources for the Xona Games Color List. Many of Resene's shades of blue and cyan are named after places in New Zealand's Marlborough Sounds, where Resolution Bay is located.

References

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^ "W3C TR CSS3 Color Module, HTML4 color keywords". W3C. May 2003. Retrieved 2008-02-05.
Waldman, Gary (2002). Introduction to light : the physics of light, vision, and color (Dover ed.). Mineola: Dover Publications. p. 193. ISBN 978-0-486-42118-6.
"Tintbooks". March 18, 2007. Archived from the original on 2007-03-10.
^ Pantone TPX
^ The sRGB values are taken by converting the NCS color 2060-B using the "NCS Navigator" tool at the NCS website.
"Munsell Color Palette". pteromys.melonisland.net.
Html Css Color
"Bluebonnet / #1c1cf0 Hex Color Code". encycolorpedia.com.
"bedbed". colorhexmap.com.
^ "Ruddy Blue :: #76abdf :: RGB(118, 171, 223) :: Color in the Cyan Blue color family". colorswatches.info.
Grossmann, Maria (1988). Colori e lessico: studi sulla struttura semantica degli aggettivi di colore in catalano, castigliano, italiano, romeno, latino ed ungherese (in Italian). Gunter Narr Verlag. ISBN 3-87808-370-X.
"PANTONE Process Blue C". Pantone. Retrieved 2023-06-30.
Shook, Nick (2023-04-06). "Panthers to make color correction, but not changing uniforms". NFL. Retrieved 2023-06-23.
Retsof online version of ISCC-NBS Dictionary of Colo(u)r Names - La through Lz
Color sample #196 on the ISCC-NBS color list is the color sample that matches the color in the book by Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill—Color Sample of Liberty: Page 109 Plate 43 Color Sample C12
Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 197; Color Sample of Liberty: Page 109 Plate 43 Color Sample C12
"Pigments through the Ages - Manufacture Recipes - Egyptian blue". www.webexhibits.org.
"International Klein Blue / #002fa7 hex color". ColorHexa.
Christa Haiml (2007). "Restoring the Immaterial: Study and Treatment of Yves Klein's Blue Monochrome (IKB42)". In Learner, Tom (ed.). Modern Paints Uncovered: Proceedings from the Modern Paints Uncovered Symposium. Getty Conservation Institute. Los Angeles: Getty Publications. ISBN 9780892369065.
Doucette, Matthew. "Xona Games - Color List". Xona Games. Retrieved 3 August 2023.
"Ultramarine / #120a8f hex color". ColorHexa. Retrieved 3 August 2023.
"Picotee Blue :: #2e2787 :: RGB(46, 39, 135) :: Color in the Blue Magenta color family". colorswatches.info.
Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 103; Color Sample of Navy blue: Page 131 Plate 40 Color Sample E11
Maerz and Paul A Dictionary of Color New York: 1930 McGraw-Hill Page 199; Color Sample of Midnight: Page 103 Plate 40 Color Sample A8
"Retsof online version of ISCC-NBS Dictionary of Colo(u)r Names - Ia through Iz". December 19, 2017. Archived from the original on 2017-12-19.
Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 196; color sample of Independence: Page 117 Plate 47 Color Sample H12
"PANTONE 295 C". Pantone. Retrieved 2021-12-04.
"Colour Swatch". Resene Swatches.
"- Hex , RGB | Swatch | Resene Paints".
^ Maerz & Paul (1930). A Dictionary of Color. New York, NY: McGraw-Hill. p. 63, plate 35, sample E2; p 190.
^ The color displayed in this color box matches the color called baby blue is displayed on page 93, plate 35, as color sample E2 in Maerz & Paul (1930).
^ Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 190
Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 202. See color sample of powder blue, Page 95—Plate 36 Color Sample H2
^ "Uranus Palette Color Palette". www.color-hex.com.
"Uranian Blue color - #AFDBF5 - The Official Register of Color Names". color-register.org.
^ "Celtic blue / #246bce Hex Color Code". encycolorpedia.com.
^ Gallego, Rosa; Sanz, Juan Carlos (2005). Guía de coloraciones (Gallego, Rosa; Sanz, Juan Carlos (2005). Guide to Colorations) Madrid: H. Blume. ISBN 84-89840-31-8
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^ "Derwent Studio Pencil Delft Blue". www.officeworks.com.au.
ISCC-NBS
^ "Xona Games - Color List". xona.com.
^ "Polynesian Blue :: #224c98 :: RGB(34, 76, 152) :: Color in the Cyan Blue color family". colorswatches.info.
^ "Chefchaouen Blue Color Palette". www.color-hex.com.
^ "Color Sapphire | Hex Code #082567 | RGB 8, 37, 103". www.99colors.net.
Kelly, Kenneth L. and Judd, Deanne B. (December 1976) "Color: Universal Language and Dictionary of Names", National Bureau of Standards, Spec. Publ. 440
Maerz, Aloys John and M. Rea Paul (1930) A Dictionary of Color, New York, McGraw-Hill, p. 205; color sample of Teal Blue: p. 101 Plate 39 Color Sample L6
On the RGB color wheel, Azure is defined as the colour halfway between blue and cyan. It has a hex code of 0080FF.
On colour plate 33 (page 89) of the 1930 book A Dictionary of Color by Maerz and Paul, the colours on the right side of colour plate 33 from top to bottom represent the most highly saturated colours on the color wheel from cyan to azure, and the colours on the bottom of colour plate 33 from right to left represent the most highly saturated colours on the colour wheel from azure to blue. The colour sample that represents azure is colour sample L12 on Plate 33 on Page 89. See reference to Azure on Page 190 in the index. See also discussion of the color azure, Page 149.
Wells, John C. (2008). Longman Pronunciation Dictionary (3rd ed.). Longman. ISBN 978-1-4058-8118-0.
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"Pantone / PMS 14-4123 TCX / Clear Sky / #9bbcd8 Hex Color Code".
Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 190; Color Sample of Baby Blue: Page 93 Plate 35 Color Sample E2
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"sky-coloured | sky-colored, adj". Oxford English Dictionary. OUP. Retrieved 21 April 2011.
Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 204; Color Sample of Sky Blue: Page 89 Plate 33 Color Sample E6
Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Color Sample of Capri: Page 93 Plate 35 Color Sample L7; The color Capri is shown as lying halfway between Cyan and Azure.
Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 191
Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 152 Discussion of the color Capri
Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 190; Color Sample of Cerulean: Page 89 Plate 33 Color Sample E6
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Plochere
Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 192; Color Sample of Celestial blue: Page 93 Plate 35 Color Sample D3
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^ Pantone TPX
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Notes

Type the word "Blue" into the indicated window on the Pantone Color Finder and the color will appear. There are seven versions, all with the same color codes—C, EC, HC, M, PC, U, and UP.
Type the words "Vista Blue" into the indicated window on the Pantone Color Finder and the color will appear.
Type the words "Silver Lake Blue" into the indicated window on the Pantone Color Finder and the color will appear.

Shades of blue

Aero	Air Force blue	Air superiority blue	Alice Blue	Argentinian Blue	Aquamarine	Azure	Azul	Baby blue	Berkeley Blue

Bice blue	Bleu de France	Blue	Blue Bell	Blue-gray	Blue-violet	Blurple	Bondi blue	Brandeis blue	Byzantine blue

Cambridge blue	Carolina blue	Celestial Blue	Celestial Blue (Crayola)	Celtic Blue	Cerulean	Chefchaouen Blue	Chrysler blue	Cobalt blue	Columbia blue

Cornflower (Crayola)	Cornflower	Cyan	Baby blue	Blue (Crayola)	Dark blue	Deep Sky Blue	Delft Blue	Denim	Dodger blue

Duke blue	Egyptian blue	Glaucous	Green-blue	Electric indigo	French blue	Honolulu blue	Ice blue	Illini blue	Indigo

Indigo dye	International Klein Blue	Jordy Blue	Lapis Lazuli	Lavender	Lavender mist	Lavender gray	Light blue	Light Sky Blue	Majorelle Blue

Marian blue	Manatee	Maximum Blue Green	Maximum Blue Purple	Maya blue	Medium blue	Medium slate blue	Midnight blue	Blue (Munsell)	Navy blue

Blue (NCS)	Neon blue	Non-photo blue	Oxford Blue	Palatinate blue	Pale azure	Penn Blue	Periwinkle	Periwinkle (Crayola)	Persian blue

Phthalo blue	Picton Blue	Polynesian blue	Powder blue	Prussian blue	Resolution Blue	RISD Blue	Royal Blue (web color)	Royal blue (traditional)	Ruddy Blue

Sapphire	Savoy blue	Silver Lake Blue	Sky blue	Space cadet	Steel blue	Tang Blue	True Blue	Tufts Blue	UCLA Blue