Colour
#39001B
- #39001B
- Red
- Dark
- Nearest: Black
#39001B is a red with RGB values 57, 0, 27 and HSL 332°, 100%, 11%. It is a dark colour, so white text on it reaches 17.7:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#39001B#39001B
HEX#39001B
RGBrgb(57, 0, 27)
RGB (0–1)0.2235, 0, 0.1059
RGB percentages22.4%, 0%, 10.6%
HSLhsl(331.6, 100%, 11.2%)
HSV / HSBhsv(331.6, 100%, 22.4%)
CMYK0%, 100%, 52.6%, 77.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,735,579
CSS custom property--colour: #39001B;
Brightness & contrast
Relative luminance0.00949WCAG 2.x, 0 is black and 1 is white
Perceived brightness32.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.65:1
Contrast with white17.65:1WCAG normal text: AAA
Contrast with black1.19:1WCAG normal text: Fail
Greyscale equivalent#0E0E0E
Inverted#C6FFE4
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.65:1WCAG large text: AAA
Contrast with black, large text1.19:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#00391E
Analogous#390038, #390100
Triadic#1B3900, #001B39
Split complementary#003901, #003839
Tetradic#383900, #00391E, #010039
Tints, shades & saturation
Channel breakdown
R57
G0
B27
Red57 (22.4%)
Green0 (0%)
Blue27 (10.6%)
Hue331.58°
Saturation (HSL)100%
Lightness11.18%
Dominant channelRed
Hex per channelR 39 · G 00 · B 1B
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