Colour
#281B10
- #281B10
- Orange
- Dark
- Nearest: Black
#281B10 is a orange with RGB values 40, 27, 16 and HSL 28°, 43%, 11%. It is a dark colour, so white text on it reaches 16.7:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#281B10#281B10
HEX#281B10
RGBrgb(40, 27, 16)
RGB (0–1)0.1569, 0.1059, 0.0627
RGB percentages15.7%, 10.6%, 6.3%
HSLhsl(27.5, 42.9%, 11%)
HSV / HSBhsv(27.5, 60%, 15.7%)
CMYK0%, 32.5%, 60%, 84.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,628,368
CSS custom property--colour: #281B10;
Brightness & contrast
Relative luminance0.01272WCAG 2.x, 0 is black and 1 is white
Perceived brightness30.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.74:1
Contrast with white16.74:1WCAG normal text: AAA
Contrast with black1.25:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#D7E4EF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.74:1WCAG large text: AAA
Contrast with black, large text1.25:1WCAG large text: Fail
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#101D28
Analogous#281011, #282710
Triadic#10281B, #1B1028
Split complementary#102827, #101128
Tetradic#112810, #101D28, #271028
Tints, shades & saturation
Channel breakdown
R40
G27
B16
Red40 (15.7%)
Green27 (10.6%)
Blue16 (6.3%)
Hue27.5°
Saturation (HSL)42.86%
Lightness10.98%
Dominant channelRed
Hex per channelR 28 · G 1B · B 10
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