Recognised as Colour
#A31407
- #A31407
- Red
- Dark
- Nearest: Dark red
#A31407 is a red with RGB values 163, 20, 7 and HSL 5°, 92%, 33%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark red.
Colour values
#A31407#A31407
HEX#A31407
RGBrgb(163, 20, 7)
RGB (0–1)0.6392, 0.0784, 0.0275
RGB percentages63.9%, 7.8%, 2.7%
HSLhsl(5, 91.8%, 33.3%)
HSV / HSBhsv(5, 95.7%, 63.9%)
CMYK0%, 87.7%, 95.7%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,687,495
CSS custom property--colour: #A31407;
Brightness & contrast
Relative luminance0.08302WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.89:1
Contrast with white7.89:1WCAG normal text: AAA
Contrast with black2.66:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#5CEBF8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.89:1WCAG large text: AAA
Contrast with black, large text2.66:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0796A3
Analogous#A30748, #A36207
Triadic#07A314, #1407A3
Split complementary#07A362, #0748A3
Tetradic#48A307, #0796A3, #6207A3
Tints, shades & saturation
Channel breakdown
R163
G20
B7
Red163 (63.9%)
Green20 (7.8%)
Blue7 (2.7%)
Hue5°
Saturation (HSL)91.76%
Lightness33.33%
Dominant channelRed
Hex per channelR A3 · G 14 · B 07
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