Recognised as Colour
#280D16
- #280D16
- Red
- Dark
- Nearest: Black
#280D16 is a red with RGB values 40, 13, 22 and HSL 340°, 51%, 10%. It is a dark colour, so white text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#280D16#280D16
HEX#280D16
RGBrgb(40, 13, 22)
RGB (0–1)0.1569, 0.051, 0.0863
RGB percentages15.7%, 5.1%, 8.6%
HSLhsl(340, 50.9%, 10.4%)
HSV / HSBhsv(340, 67.5%, 15.7%)
CMYK0%, 67.5%, 45%, 84.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,624,790
CSS custom property--colour: #280D16;
Brightness & contrast
Relative luminance0.00797WCAG 2.x, 0 is black and 1 is white
Perceived brightness25.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.11:1
Contrast with white18.11:1WCAG normal text: AAA
Contrast with black1.16:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#D7F2E9
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.11:1WCAG large text: AAA
Contrast with black, large text1.16:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0D281F
Analogous#280D23, #28110D
Triadic#16280D, #0D1628
Split complementary#0D2811, #0D2428
Tetradic#24280D, #0D281F, #120D28
Tints, shades & saturation
Channel breakdown
R40
G13
B22
Red40 (15.7%)
Green13 (5.1%)
Blue22 (8.6%)
Hue340°
Saturation (HSL)50.94%
Lightness10.39%
Dominant channelRed
Hex per channelR 28 · G 0D · B 16
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