Recognised as Colour
#AD0008
- #AD0008
- Red
- Dark
- Nearest: Firebrick
#AD0008 is a red with RGB values 173, 0, 8 and HSL 357°, 100%, 34%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Firebrick.
Colour values
#AD0008#AD0008
HEX#AD0008
RGBrgb(173, 0, 8)
RGB (0–1)0.6784, 0, 0.0314
RGB percentages67.8%, 0%, 3.1%
HSLhsl(357.2, 100%, 33.9%)
HSV / HSBhsv(357.2, 100%, 67.8%)
CMYK0%, 100%, 95.4%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,337,736
CSS custom property--colour: #AD0008;
Brightness & contrast
Relative luminance0.08902WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.55:1
Contrast with white7.55:1WCAG normal text: AAA
Contrast with black2.78:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#52FFF7
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.55:1WCAG large text: AAA
Contrast with black, large text2.78:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#00ADA5
Analogous#AD005F, #AD4E00
Triadic#08AD00, #0008AD
Split complementary#00AD4F, #005FAD
Tetradic#5FAD00, #00ADA5, #4E00AD
Tints, shades & saturation
Channel breakdown
R173
G0
B8
Red173 (67.8%)
Green0 (0%)
Blue8 (3.1%)
Hue357.23°
Saturation (HSL)100%
Lightness33.92%
Dominant channelRed
Hex per channelR AD · G 00 · B 08
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