Colour
#287C88
- #287C88
- Cyan
- Dark
- Nearest: Teal
#287C88 is a cyan with RGB values 40, 124, 136 and HSL 188°, 55%, 35%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Teal.
Colour values
#287C88#287C88
HEX#287C88
RGBrgb(40, 124, 136)
RGB (0–1)0.1569, 0.4863, 0.5333
RGB percentages15.7%, 48.6%, 53.3%
HSLhsl(187.5, 54.5%, 34.5%)
HSV / HSBhsv(187.5, 70.6%, 53.3%)
CMYK70.6%, 8.8%, 0%, 46.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,653,320
CSS custom property--colour: #287C88;
Brightness & contrast
Relative luminance0.16644WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.85:1
Contrast with white4.85:1WCAG normal text: AA
Contrast with black4.33:1WCAG normal text: Fail
Greyscale equivalent#6B6B6B
Inverted#D78377
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.85:1WCAG large text: AAA
Contrast with black, large text4.33:1WCAG large text: AA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#883428
Analogous#288864, #284C88
Triadic#88287C, #7C8828
Split complementary#88284C, #886428
Tetradic#642888, #883428, #4C8828
Tints, shades & saturation
Channel breakdown
R40
G124
B136
Red40 (15.7%)
Green124 (48.6%)
Blue136 (53.3%)
Hue187.5°
Saturation (HSL)54.55%
Lightness34.51%
Dominant channelBlue
Hex per channelR 28 · G 7C · B 88
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