Colour
#174B45
- #174B45
- Cyan
- Dark
- Nearest: Dark slate grey
#174B45 is a cyan with RGB values 23, 75, 69 and HSL 173°, 53%, 19%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#174B45#174B45
HEX#174B45
RGBrgb(23, 75, 69)
RGB (0–1)0.0902, 0.2941, 0.2706
RGB percentages9%, 29.4%, 27.1%
HSLhsl(173.1, 53.1%, 19.2%)
HSV / HSBhsv(173.1, 69.3%, 29.4%)
CMYK69.3%, 0%, 8%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,526,597
CSS custom property--colour: #174B45;
Brightness & contrast
Relative luminance0.05644WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.86:1
Contrast with white9.86:1WCAG normal text: AAA
Contrast with black2.13:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#E8B4BA
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.86:1WCAG large text: AAA
Contrast with black, large text2.13:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4B171D
Analogous#174B2B, #17374B
Triadic#45174B, #4B4517
Split complementary#4B1737, #4B2B17
Tetradic#2B174B, #4B171D, #374B17
Tints, shades & saturation
Channel breakdown
R23
G75
B69
Red23 (9%)
Green75 (29.4%)
Blue69 (27.1%)
Hue173.08°
Saturation (HSL)53.06%
Lightness19.22%
Dominant channelGreen
Hex per channelR 17 · G 4B · B 45
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