Colour
#31554D
- #31554D
- Cyan
- Dark
- Nearest: Dark slate grey
#31554D is a cyan with RGB values 49, 85, 77 and HSL 167°, 27%, 26%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#31554D#31554D
HEX#31554D
RGBrgb(49, 85, 77)
RGB (0–1)0.1922, 0.3333, 0.302
RGB percentages19.2%, 33.3%, 30.2%
HSLhsl(166.7, 26.9%, 26.3%)
HSV / HSBhsv(166.7, 42.4%, 33.3%)
CMYK42.4%, 0%, 9.4%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,233,101
CSS custom property--colour: #31554D;
Brightness & contrast
Relative luminance0.07686WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.28:1
Contrast with white8.28:1WCAG normal text: AAA
Contrast with black2.54:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#CEAAB2
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.28:1WCAG large text: AAA
Contrast with black, large text2.54:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#553139
Analogous#31553B, #314B55
Triadic#4D3155, #554D31
Split complementary#55314B, #553B31
Tetradic#3B3155, #553139, #4B5531
Tints, shades & saturation
Channel breakdown
R49
G85
B77
Red49 (19.2%)
Green85 (33.3%)
Blue77 (30.2%)
Hue166.67°
Saturation (HSL)26.87%
Lightness26.27%
Dominant channelGreen
Hex per channelR 31 · G 55 · B 4D
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