Recognised as Colour
#28644F
- #28644F
- Cyan
- Dark
- Nearest: Dark slate grey
#28644F is a cyan with RGB values 40, 100, 79 and HSL 159°, 43%, 27%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.
Colour values
#28644F#28644F
HEX#28644F
RGBrgb(40, 100, 79)
RGB (0–1)0.1569, 0.3922, 0.3098
RGB percentages15.7%, 39.2%, 31%
HSLhsl(159, 42.9%, 27.5%)
HSV / HSBhsv(159, 60%, 39.2%)
CMYK60%, 0%, 21%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,647,119
CSS custom property--colour: #28644F;
Brightness & contrast
Relative luminance0.1013WCAG 2.x, 0 is black and 1 is white
Perceived brightness84 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.94:1
Contrast with white6.94:1WCAG normal text: AA
Contrast with black3.03:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#D79BB0
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.94:1WCAG large text: AAA
Contrast with black, large text3.03:1WCAG large text: AA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#64283D
Analogous#286431, #285B64
Triadic#4F2864, #644F28
Split complementary#64285B, #643128
Tetradic#312864, #64283D, #5B6428
Tints, shades & saturation
Channel breakdown
R40
G100
B79
Red40 (15.7%)
Green100 (39.2%)
Blue79 (31%)
Hue159°
Saturation (HSL)42.86%
Lightness27.45%
Dominant channelGreen
Hex per channelR 28 · G 64 · B 4F
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