Colour
#15524D
- #15524D
- Cyan
- Dark
- Nearest: Dark slate grey
#15524D is a cyan with RGB values 21, 82, 77 and HSL 175°, 59%, 20%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#15524D#15524D
HEX#15524D
RGBrgb(21, 82, 77)
RGB (0–1)0.0824, 0.3216, 0.302
RGB percentages8.2%, 32.2%, 30.2%
HSLhsl(175.1, 59.2%, 20.2%)
HSV / HSBhsv(175.1, 74.4%, 32.2%)
CMYK74.4%, 0%, 6.1%, 67.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,397,325
CSS custom property--colour: #15524D;
Brightness & contrast
Relative luminance0.0673WCAG 2.x, 0 is black and 1 is white
Perceived brightness69 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.95:1
Contrast with white8.95:1WCAG normal text: AAA
Contrast with black2.35:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#EAADB2
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.95:1WCAG large text: AAA
Contrast with black, large text2.35:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#52151A
Analogous#15522E, #153952
Triadic#4D1552, #524D15
Split complementary#521539, #522E15
Tetradic#2E1552, #52151A, #395215
Tints, shades & saturation
Channel breakdown
R21
G82
B77
Red21 (8.2%)
Green82 (32.2%)
Blue77 (30.2%)
Hue175.08°
Saturation (HSL)59.22%
Lightness20.2%
Dominant channelGreen
Hex per channelR 15 · G 52 · B 4D
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