Colour
#3B031B
- #3B031B
- Red
- Dark
- Nearest: Black
#3B031B is a red with RGB values 59, 3, 27 and HSL 334°, 90%, 12%. It is a dark colour, so white text on it reaches 17.3:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#3B031B#3B031B
HEX#3B031B
RGBrgb(59, 3, 27)
RGB (0–1)0.2314, 0.0118, 0.1059
RGB percentages23.1%, 1.2%, 10.6%
HSLhsl(334.3, 90.3%, 12.2%)
HSV / HSBhsv(334.3, 94.9%, 23.1%)
CMYK0%, 94.9%, 54.2%, 76.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,867,419
CSS custom property--colour: #3B031B;
Brightness & contrast
Relative luminance0.01074WCAG 2.x, 0 is black and 1 is white
Perceived brightness33.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.29:1
Contrast with white17.29:1WCAG normal text: AAA
Contrast with black1.21:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#C4FCE4
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.29:1WCAG large text: AAA
Contrast with black, large text1.21:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#033B23
Analogous#3B0337, #3B0703
Triadic#1B3B03, #031B3B
Split complementary#033B07, #03373B
Tetradic#373B03, #033B23, #07033B
Tints, shades & saturation
Channel breakdown
R59
G3
B27
Red59 (23.1%)
Green3 (1.2%)
Blue27 (10.6%)
Hue334.29°
Saturation (HSL)90.32%
Lightness12.16%
Dominant channelRed
Hex per channelR 3B · G 03 · B 1B
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