Recognised as Colour
#28907F
- #28907F
- Cyan
- Dark
- Nearest: Dark cyan
#28907F is a cyan with RGB values 40, 144, 127 and HSL 170°, 57%, 36%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#28907F#28907F
HEX#28907F
RGBrgb(40, 144, 127)
RGB (0–1)0.1569, 0.5647, 0.498
RGB percentages15.7%, 56.5%, 49.8%
HSLhsl(170.2, 56.5%, 36.1%)
HSV / HSBhsv(170.2, 72.2%, 56.5%)
CMYK72.2%, 0%, 11.8%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,658,431
CSS custom property--colour: #28907F;
Brightness & contrast
Relative luminance0.2193WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.39:1
Contrast with white3.9:1WCAG normal text: Fail
Contrast with black5.39:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#D76F80
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.9:1WCAG large text: AA
Contrast with black, large text5.39:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#902839
Analogous#28904B, #286D90
Triadic#7F2890, #907F28
Split complementary#90286D, #904B28
Tetradic#4B2890, #902839, #6D9028
Tints, shades & saturation
Channel breakdown
R40
G144
B127
Red40 (15.7%)
Green144 (56.5%)
Blue127 (49.8%)
Hue170.19°
Saturation (HSL)56.52%
Lightness36.08%
Dominant channelGreen
Hex per channelR 28 · G 90 · B 7F
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