Recognised as Colour
#137C81
- #137C81
- Cyan
- Dark
- Nearest: Teal
#137C81 is a cyan with RGB values 19, 124, 129 and HSL 183°, 74%, 29%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Teal.
Colour values
#137C81#137C81
HEX#137C81
RGBrgb(19, 124, 129)
RGB (0–1)0.0745, 0.4863, 0.5059
RGB percentages7.5%, 48.6%, 50.6%
HSLhsl(182.7, 74.3%, 29%)
HSV / HSBhsv(182.7, 85.3%, 50.6%)
CMYK85.3%, 3.9%, 0%, 49.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,277,057
CSS custom property--colour: #137C81;
Brightness & contrast
Relative luminance0.16139WCAG 2.x, 0 is black and 1 is white
Perceived brightness105 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.97:1
Contrast with white4.97:1WCAG normal text: AA
Contrast with black4.23:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#EC837E
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.97:1WCAG large text: AAA
Contrast with black, large text4.23:1WCAG large text: AA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#811813
Analogous#13814F, #134581
Triadic#81137C, #7C8113
Split complementary#811345, #814F13
Tetradic#4F1381, #811813, #458113
Tints, shades & saturation
Channel breakdown
R19
G124
B129
Red19 (7.5%)
Green124 (48.6%)
Blue129 (50.6%)
Hue182.73°
Saturation (HSL)74.32%
Lightness29.02%
Dominant channelBlue
Hex per channelR 13 · G 7C · B 81
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