Recognised as Colour
#129EB3
- #129EB3
- Cyan
- Dark
- Nearest: Dark cyan
#129EB3 is a cyan with RGB values 18, 158, 179 and HSL 188°, 82%, 39%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#129EB3#129EB3
HEX#129EB3
RGBrgb(18, 158, 179)
RGB (0–1)0.0706, 0.6196, 0.702
RGB percentages7.1%, 62%, 70.2%
HSLhsl(187.8, 81.7%, 38.6%)
HSV / HSBhsv(187.8, 89.9%, 70.2%)
CMYK89.9%, 11.7%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,220,275
CSS custom property--colour: #129EB3;
Brightness & contrast
Relative luminance0.27837WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.57:1
Contrast with white3.2:1WCAG normal text: Fail
Contrast with black6.57:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#ED614C
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.2:1WCAG large text: AA
Contrast with black, large text6.57:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#B32712
Analogous#12B378, #124DB3
Triadic#B3129E, #9EB312
Split complementary#B3124D, #B37812
Tetradic#7812B3, #B32712, #4DB312
Tints, shades & saturation
Channel breakdown
R18
G158
B179
Red18 (7.1%)
Green158 (62%)
Blue179 (70.2%)
Hue187.83°
Saturation (HSL)81.73%
Lightness38.63%
Dominant channelBlue
Hex per channelR 12 · G 9E · B B3
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