Recognised as Colour
#372D31
- #372D31
- Red
- Dark
- Nearest: Black
#372D31 is a red with RGB values 55, 45, 49 and HSL 336°, 10%, 20%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#372D31#372D31
HEX#372D31
RGBrgb(55, 45, 49)
RGB (0–1)0.2157, 0.1765, 0.1922
RGB percentages21.6%, 17.6%, 19.2%
HSLhsl(336, 10%, 19.6%)
HSV / HSBhsv(336, 18.2%, 21.6%)
CMYK0%, 18.2%, 10.9%, 78.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,616,049
CSS custom property--colour: #372D31;
Brightness & contrast
Relative luminance0.02911WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.27:1
Contrast with white13.27:1WCAG normal text: AAA
Contrast with black1.58:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#C8D2CE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.27:1WCAG large text: AAA
Contrast with black, large text1.58:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2D3733
Analogous#372D36, #372E2D
Triadic#31372D, #2D3137
Split complementary#2D372E, #2D3637
Tetradic#36372D, #2D3733, #2E2D37
Tints, shades & saturation
Channel breakdown
R55
G45
B49
Red55 (21.6%)
Green45 (17.6%)
Blue49 (19.2%)
Hue336°
Saturation (HSL)10%
Lightness19.61%
Dominant channelRed
Hex per channelR 37 · G 2D · B 31
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