Colour
#175B50
- #175B50
- Cyan
- Dark
- Nearest: Dark slate grey
#175B50 is a cyan with RGB values 23, 91, 80 and HSL 170°, 60%, 22%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#175B50#175B50
HEX#175B50
RGBrgb(23, 91, 80)
RGB (0–1)0.0902, 0.3569, 0.3137
RGB percentages9%, 35.7%, 31.4%
HSLhsl(170.3, 59.6%, 22.4%)
HSV / HSBhsv(170.3, 74.7%, 35.7%)
CMYK74.7%, 0%, 12.1%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,530,704
CSS custom property--colour: #175B50;
Brightness & contrast
Relative luminance0.08244WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.93:1
Contrast with white7.93:1WCAG normal text: AAA
Contrast with black2.65:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#E8A4AF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.93:1WCAG large text: AAA
Contrast with black, large text2.65:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5B1722
Analogous#175B2E, #17445B
Triadic#50175B, #5B5017
Split complementary#5B1744, #5B2E17
Tetradic#2E175B, #5B1722, #445B17
Tints, shades & saturation
Channel breakdown
R23
G91
B80
Red23 (9%)
Green91 (35.7%)
Blue80 (31.4%)
Hue170.29°
Saturation (HSL)59.65%
Lightness22.35%
Dominant channelGreen
Hex per channelR 17 · G 5B · B 50
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