Colour
#188EAD
- #188EAD
- Cyan
- Dark
- Nearest: Steel blue
#188EAD is a cyan with RGB values 24, 142, 173 and HSL 192°, 76%, 39%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Steel blue.
Colour values
#188EAD#188EAD
HEX#188EAD
RGBrgb(24, 142, 173)
RGB (0–1)0.0941, 0.5569, 0.6784
RGB percentages9.4%, 55.7%, 67.8%
HSLhsl(192.5, 75.6%, 38.6%)
HSV / HSBhsv(192.5, 86.1%, 67.8%)
CMYK86.1%, 17.9%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,609,389
CSS custom property--colour: #188EAD;
Brightness & contrast
Relative luminance0.22557WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.51:1
Contrast with white3.81:1WCAG normal text: Fail
Contrast with black5.51:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#E77152
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.81:1WCAG large text: AA
Contrast with black, large text5.51:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#AD3718
Analogous#18AD81, #1844AD
Triadic#AD188E, #8EAD18
Split complementary#AD1844, #AD8118
Tetradic#8118AD, #AD3718, #44AD18
Tints, shades & saturation
Channel breakdown
R24
G142
B173
Red24 (9.4%)
Green142 (55.7%)
Blue173 (67.8%)
Hue192.48°
Saturation (HSL)75.63%
Lightness38.63%
Dominant channelBlue
Hex per channelR 18 · G 8E · B AD
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