Colour

#04291B

#04291B
Cyan
Dark
Nearest: Dark slate grey

#04291B is a cyan with RGB values 4, 41, 27 and HSL 157°, 82%, 9%. It is a dark colour, so white text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#04291B#04291B

HEX#04291B

RGBrgb(4, 41, 27)

RGB (0–1)0.0157, 0.1608, 0.1059

RGB percentages1.6%, 16.1%, 10.6%

HSLhsl(157.3, 82.2%, 8.8%)

HSV / HSBhsv(157.3, 90.2%, 16.1%)

CMYK90.2%, 0%, 34.1%, 83.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer272,667

CSS custom property--colour: #04291B;

Brightness & contrast

Relative luminance0.01691WCAG 2.x, 0 is black and 1 is white

Perceived brightness32.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.69:1

Contrast with white15.69:1WCAG normal text: AAA

Contrast with black1.34:1WCAG normal text: Fail

Greyscale equivalent#202020

Inverted#FBD6E4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#28251Ano red cones; affects about 1% of men; ΔE 16.6 from the original

Deuteranopia#23221Cno green cones; the most common form, about 1% of men; ΔE 16.5 from the original

Tritanopia#002925no blue cones; rare, and affects men and women equally; ΔE 7.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.69:1WCAG large text: AAA

Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 20.6 Black · ΔE 22.8 Dim grey · ΔE 35.6 Dark olivegreen · ΔE 38 Teal · ΔE 39 Dark cyan · ΔE 43.2

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.55, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#290412

Analogous#042908, #042529

Triadic#1B0429, #291B04

Split complementary#290425, #290804

Tetradic#090429, #290412, #252904

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#16E395

Lighter +30%#12B477

Lighter +20%#0D8658

Lighter +10%#09573A

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#002D1C

Less saturated −25%#0A231A

Channel breakdown

G41

B27

Red4 (1.6%)

Green41 (16.1%)

Blue27 (10.6%)

Hue157.3°

Saturation (HSL)82.22%

Lightness8.82%

Dominant channelGreen

Hex per channelR 04 · G 29 · B 1B

Keep nerding

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#04291B

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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