Colour
#173C35
- #173C35
- Cyan
- Dark
- Nearest: Dark slate grey
#173C35 is a cyan with RGB values 23, 60, 53 and HSL 169°, 45%, 16%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#173C35#173C35
HEX#173C35
RGBrgb(23, 60, 53)
RGB (0–1)0.0902, 0.2353, 0.2078
RGB percentages9%, 23.5%, 20.8%
HSLhsl(168.6, 44.6%, 16.3%)
HSV / HSBhsv(168.6, 61.7%, 23.5%)
CMYK61.7%, 0%, 11.7%, 76.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,522,741
CSS custom property--colour: #173C35;
Brightness & contrast
Relative luminance0.03671WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.11:1
Contrast with white12.11:1WCAG normal text: AAA
Contrast with black1.73:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#E8C3CA
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.11:1WCAG large text: AAA
Contrast with black, large text1.73:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3C171E
Analogous#173C23, #17303C
Triadic#35173C, #3C3517
Split complementary#3C1731, #3C2217
Tetradic#22173C, #3C171E, #313C17
Tints, shades & saturation
Channel breakdown
R23
G60
B53
Red23 (9%)
Green60 (23.5%)
Blue53 (20.8%)
Hue168.65°
Saturation (HSL)44.58%
Lightness16.27%
Dominant channelGreen
Hex per channelR 17 · G 3C · B 35
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