Colour
#31919C
- #31919C
- Cyan
- Dark
- Nearest: Dark cyan
#31919C is a cyan with RGB values 49, 145, 156 and HSL 186°, 52%, 40%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#31919C#31919C
HEX#31919C
RGBrgb(49, 145, 156)
RGB (0–1)0.1922, 0.5686, 0.6118
RGB percentages19.2%, 56.9%, 61.2%
HSLhsl(186.2, 52.2%, 40.2%)
HSV / HSBhsv(186.2, 68.6%, 61.2%)
CMYK68.6%, 7.1%, 0%, 38.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,248,540
CSS custom property--colour: #31919C;
Brightness & contrast
Relative luminance0.23304WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.66:1
Contrast with white3.71:1WCAG normal text: Fail
Contrast with black5.66:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#CE6E63
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.71:1WCAG large text: AA
Contrast with black, large text5.66:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#9C3C31
Analogous#319C71, #315C9C
Triadic#9C3191, #919C31
Split complementary#9C315C, #9C7131
Tetradic#72319C, #9C3C31, #5C9C31
Tints, shades & saturation
Channel breakdown
R49
G145
B156
Red49 (19.2%)
Green145 (56.9%)
Blue156 (61.2%)
Hue186.17°
Saturation (HSL)52.2%
Lightness40.2%
Dominant channelBlue
Hex per channelR 31 · G 91 · B 9C
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