Recognised as Colour
#971F18
- #971F18
- Red
- Dark
- Nearest: Brown
#971F18 is a red with RGB values 151, 31, 24 and HSL 3°, 73%, 34%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Brown.
Colour values
#971F18#971F18
HEX#971F18
RGBrgb(151, 31, 24)
RGB (0–1)0.5922, 0.1216, 0.0941
RGB percentages59.2%, 12.2%, 9.4%
HSLhsl(3.3, 72.6%, 34.3%)
HSV / HSBhsv(3.3, 84.1%, 59.2%)
CMYK0%, 79.5%, 84.1%, 40.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,903,896
CSS custom property--colour: #971F18;
Brightness & contrast
Relative luminance0.07625WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.32:1
Contrast with white8.32:1WCAG normal text: AAA
Contrast with black2.53:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#68E0E7
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.32:1WCAG large text: AAA
Contrast with black, large text2.53:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#189097
Analogous#971851, #975E18
Triadic#18971F, #1F1897
Split complementary#18975E, #185197
Tetradic#519718, #189097, #5E1897
Tints, shades & saturation
Channel breakdown
R151
G31
B24
Red151 (59.2%)
Green31 (12.2%)
Blue24 (9.4%)
Hue3.31°
Saturation (HSL)72.57%
Lightness34.31%
Dominant channelRed
Hex per channelR 97 · G 1F · B 18
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