Recognised as Colour
#80370A
- #80370A
- Orange
- Dark
- Nearest: Saddle brown
#80370A is a orange with RGB values 128, 55, 10 and HSL 23°, 86%, 27%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.
Colour values
#80370A#80370A
HEX#80370A
RGBrgb(128, 55, 10)
RGB (0–1)0.502, 0.2157, 0.0392
RGB percentages50.2%, 21.6%, 3.9%
HSLhsl(22.9, 85.5%, 27.1%)
HSV / HSBhsv(22.9, 92.2%, 50.2%)
CMYK0%, 57%, 92.2%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,402,698
CSS custom property--colour: #80370A;
Brightness & contrast
Relative luminance0.07343WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.51:1
Contrast with white8.51:1WCAG normal text: AAA
Contrast with black2.47:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#7FC8F5
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.51:1WCAG large text: AAA
Contrast with black, large text2.47:1WCAG large text: Fail
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0A5380
Analogous#800A18, #80720A
Triadic#0A8037, #370A80
Split complementary#0A8072, #0A1880
Tetradic#18800A, #0A5380, #720A80
Tints, shades & saturation
Channel breakdown
R128
G55
B10
Red128 (50.2%)
Green55 (21.6%)
Blue10 (3.9%)
Hue22.88°
Saturation (HSL)85.51%
Lightness27.06%
Dominant channelRed
Hex per channelR 80 · G 37 · B 0A
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