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Recognised as Colour

#04291A

  • #04291A
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#04291A is a cyan with RGB values 4, 41, 26 and HSL 156°, 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

#04291A#04291A
HEX#04291A
RGBrgb(4, 41, 26)
RGB (0–1)0.0157, 0.1608, 0.102
RGB percentages1.6%, 16.1%, 10.2%
HSLhsl(155.7, 82.2%, 8.8%)
HSV / HSBhsv(155.7, 90.2%, 16.1%)
CMYK90.2%, 0%, 36.6%, 83.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer272,666
CSS custom property--colour: #04291A;

Brightness & contrast

Relative luminance0.01686WCAG 2.x, 0 is black and 1 is white
Perceived brightness32.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.7:1
Contrast with white15.7:1WCAG normal text: AAA
Contrast with black1.34:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#FBD6E5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#282519no red cones; affects about 1% of men; ΔE 16.7 from the original
Deuteranopia#23221Bno green cones; the most common form, about 1% of men; ΔE 16.6 from the original
Tritanopia#002925no blue cones; rare, and affects men and women equally; ΔE 8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.7:1WCAG large text: AAA
Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21Black · ΔE 23.2Dim grey · ΔE 35.9Dark olivegreen · ΔE 37.5Teal · ΔE 39.1Dark cyan · ΔE 43.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.96, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#290413
Analogous#042908, #042629
Triadic#1A0429, #291A04
Split complementary#290426, #290704
Tetradic#070429, #290413, #262904

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#16E390
Lighter +30%#12B472
Lighter +20%#0D8655
Lighter +10%#095737
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002D1B
Less saturated −25%#0A2319

Channel breakdown

R4
G41
B26
Red4 (1.6%)
Green41 (16.1%)
Blue26 (10.2%)
Hue155.68°
Saturation (HSL)82.22%
Lightness8.82%
Dominant channelGreen
Hex per channelR 04 · G 29 · B 1A

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Every value on this page was computed from “04291a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.