Colour
#313D3D
- #313D3D
- Cyan
- Dark
- Nearest: Dark slate grey
#313D3D is a cyan with RGB values 49, 61, 61 and HSL 180°, 11%, 22%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#313D3D#313D3D
HEX#313D3D
RGBrgb(49, 61, 61)
RGB (0–1)0.1922, 0.2392, 0.2392
RGB percentages19.2%, 23.9%, 23.9%
HSLhsl(180, 10.9%, 21.6%)
HSV / HSBhsv(180, 19.7%, 23.9%)
CMYK19.7%, 0%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,226,941
CSS custom property--colour: #313D3D;
Brightness & contrast
Relative luminance0.04327WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.26:1
Contrast with white11.26:1WCAG normal text: AAA
Contrast with black1.87:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#CEC2C2
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.26:1WCAG large text: AAA
Contrast with black, large text1.87:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3D3131
Analogous#313D37, #31373D
Triadic#3D313D, #3D3D31
Split complementary#3D3137, #3D3731
Tetradic#37313D, #3D3131, #373D31
Tints, shades & saturation
Channel breakdown
R49
G61
B61
Red49 (19.2%)
Green61 (23.9%)
Blue61 (23.9%)
Hue180°
Saturation (HSL)10.91%
Lightness21.57%
Dominant channelGreen and Blue
Hex per channelR 31 · G 3D · B 3D
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