Colour
#04251B
- #04251B
- Cyan
- Dark
- Nearest: Black
#04251B is a cyan with RGB values 4, 37, 27 and HSL 162°, 80%, 8%. It is a dark colour, so white text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#04251B#04251B
HEX#04251B
RGBrgb(4, 37, 27)
RGB (0–1)0.0157, 0.1451, 0.1059
RGB percentages1.6%, 14.5%, 10.6%
HSLhsl(161.8, 80.5%, 8%)
HSV / HSBhsv(161.8, 89.2%, 14.5%)
CMYK89.2%, 0%, 27%, 85.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer271,643
CSS custom property--colour: #04251B;
Brightness & contrast
Relative luminance0.01428WCAG 2.x, 0 is black and 1 is white
Perceived brightness29.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.33:1
Contrast with white16.33:1WCAG normal text: AAA
Contrast with black1.29:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#FBDAE4
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.33:1WCAG large text: AAA
Contrast with black, large text1.29:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#25040E
Analogous#04250A, #041F25
Triadic#1B0425, #251B04
Split complementary#25041F, #250A04
Tetradic#0A0425, #25040E, #1F2504
Tints, shades & saturation
Channel breakdown
R4
G37
B27
Red4 (1.6%)
Green37 (14.5%)
Blue27 (10.6%)
Hue161.82°
Saturation (HSL)80.49%
Lightness8.04%
Dominant channelGreen
Hex per channelR 04 · G 25 · B 1B
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