Recognised as Colour
#175B4C
- #175B4C
- Cyan
- Dark
- Nearest: Dark slate grey
#175B4C is a cyan with RGB values 23, 91, 76 and HSL 167°, 60%, 22%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#175B4C#175B4C
HEX#175B4C
RGBrgb(23, 91, 76)
RGB (0–1)0.0902, 0.3569, 0.298
RGB percentages9%, 35.7%, 29.8%
HSLhsl(166.8, 59.6%, 22.4%)
HSV / HSBhsv(166.8, 74.7%, 35.7%)
CMYK74.7%, 0%, 16.5%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,530,700
CSS custom property--colour: #175B4C;
Brightness & contrast
Relative luminance0.08186WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.96:1
Contrast with white7.96:1WCAG normal text: AAA
Contrast with black2.64:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#E8A4B3
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.96:1WCAG large text: AAA
Contrast with black, large text2.64:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5B1726
Analogous#175B2A, #17485B
Triadic#4C175B, #5B4C17
Split complementary#5B1748, #5B2A17
Tetradic#2A175B, #5B1726, #485B17
Tints, shades & saturation
Channel breakdown
R23
G91
B76
Red23 (9%)
Green91 (35.7%)
Blue76 (29.8%)
Hue166.76°
Saturation (HSL)59.65%
Lightness22.35%
Dominant channelGreen
Hex per channelR 17 · G 5B · B 4C
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