Recognised as Colour
#8B0333
- #8B0333
- Red
- Dark
- Nearest: Brown
#8B0333 is a red with RGB values 139, 3, 51 and HSL 339°, 96%, 28%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Brown.
Colour values
#8B0333#8B0333
HEX#8B0333
RGBrgb(139, 3, 51)
RGB (0–1)0.5451, 0.0118, 0.2
RGB percentages54.5%, 1.2%, 20%
HSLhsl(338.8, 95.8%, 27.8%)
HSV / HSBhsv(338.8, 97.8%, 54.5%)
CMYK0%, 97.8%, 63.3%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,110,323
CSS custom property--colour: #8B0333;
Brightness & contrast
Relative luminance0.05793WCAG 2.x, 0 is black and 1 is white
Perceived brightness78 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.73:1
Contrast with white9.73:1WCAG normal text: AAA
Contrast with black2.16:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#74FCCC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.73:1WCAG large text: AAA
Contrast with black, large text2.16:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#038B5B
Analogous#8B0377, #8B1703
Triadic#338B03, #03338B
Split complementary#038B17, #03778B
Tetradic#778B03, #038B5B, #17038B
Tints, shades & saturation
Channel breakdown
R139
G3
B51
Red139 (54.5%)
Green3 (1.2%)
Blue51 (20%)
Hue338.82°
Saturation (HSL)95.77%
Lightness27.84%
Dominant channelRed
Hex per channelR 8B · G 03 · B 33
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