Colour
#287F81
- #287F81
- Cyan
- Dark
- Nearest: Teal
#287F81 is a cyan with RGB values 40, 127, 129 and HSL 181°, 53%, 33%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Teal.
Colour values
#287F81#287F81
HEX#287F81
RGBrgb(40, 127, 129)
RGB (0–1)0.1569, 0.498, 0.5059
RGB percentages15.7%, 49.8%, 50.6%
HSLhsl(181.3, 52.7%, 33.1%)
HSV / HSBhsv(181.3, 69%, 50.6%)
CMYK69%, 1.6%, 0%, 49.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,654,081
CSS custom property--colour: #287F81;
Brightness & contrast
Relative luminance0.17215WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.73:1
Contrast with white4.73:1WCAG normal text: AA
Contrast with black4.44:1WCAG normal text: Fail
Greyscale equivalent#6D6D6D
Inverted#D7807E
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.73:1WCAG large text: AAA
Contrast with black, large text4.44:1WCAG large text: AA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#812A28
Analogous#288157, #285281
Triadic#81287F, #7F8128
Split complementary#812852, #815728
Tetradic#572881, #812A28, #528128
Tints, shades & saturation
Channel breakdown
R40
G127
B129
Red40 (15.7%)
Green127 (49.8%)
Blue129 (50.6%)
Hue181.35°
Saturation (HSL)52.66%
Lightness33.14%
Dominant channelBlue
Hex per channelR 28 · G 7F · B 81
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