Colour
#28413B
- #28413B
- Cyan
- Dark
- Nearest: Dark slate grey
#28413B is a cyan with RGB values 40, 65, 59 and HSL 166°, 24%, 21%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#28413B#28413B
HEX#28413B
RGBrgb(40, 65, 59)
RGB (0–1)0.1569, 0.2549, 0.2314
RGB percentages15.7%, 25.5%, 23.1%
HSLhsl(165.6, 23.8%, 20.6%)
HSV / HSBhsv(165.6, 38.5%, 25.5%)
CMYK38.5%, 0%, 9.2%, 74.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,638,139
CSS custom property--colour: #28413B;
Brightness & contrast
Relative luminance0.04547WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11:1
Contrast with white11:1WCAG normal text: AAA
Contrast with black1.91:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#D7BEC4
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11:1WCAG large text: AAA
Contrast with black, large text1.91:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#41282E
Analogous#28412F, #283A41
Triadic#3B2841, #413B28
Split complementary#41283A, #412F28
Tetradic#2F2841, #41282E, #3A4128
Tints, shades & saturation
Channel breakdown
R40
G65
B59
Red40 (15.7%)
Green65 (25.5%)
Blue59 (23.1%)
Hue165.6°
Saturation (HSL)23.81%
Lightness20.59%
Dominant channelGreen
Hex per channelR 28 · G 41 · B 3B
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