Colour
#28170D
- #28170D
- Orange
- Dark
- Nearest: Black
#28170D is a orange with RGB values 40, 23, 13 and HSL 22°, 51%, 10%. It is a dark colour, so white text on it reaches 17.2:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#28170D#28170D
HEX#28170D
RGBrgb(40, 23, 13)
RGB (0–1)0.1569, 0.0902, 0.051
RGB percentages15.7%, 9%, 5.1%
HSLhsl(22.2, 50.9%, 10.4%)
HSV / HSBhsv(22.2, 67.5%, 15.7%)
CMYK0%, 42.5%, 67.5%, 84.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,627,341
CSS custom property--colour: #28170D;
Brightness & contrast
Relative luminance0.01093WCAG 2.x, 0 is black and 1 is white
Perceived brightness28.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.23:1
Contrast with white17.23:1WCAG normal text: AAA
Contrast with black1.22:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#D7E8F2
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.23:1WCAG large text: AAA
Contrast with black, large text1.22:1WCAG large text: Fail
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0D1E28
Analogous#280D11, #28250D
Triadic#0D2817, #170D28
Split complementary#0D2824, #0D1128
Tetradic#10280D, #0D1E28, #240D28
Tints, shades & saturation
Channel breakdown
R40
G23
B13
Red40 (15.7%)
Green23 (9%)
Blue13 (5.1%)
Hue22.22°
Saturation (HSL)50.94%
Lightness10.39%
Dominant channelRed
Hex per channelR 28 · G 17 · B 0D
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