Recognised as Colour
#129CB4
- #129CB4
- Cyan
- Dark
- Nearest: Cadetblue
#129CB4 is a cyan with RGB values 18, 156, 180 and HSL 189°, 82%, 39%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#129CB4#129CB4
HEX#129CB4
RGBrgb(18, 156, 180)
RGB (0–1)0.0706, 0.6118, 0.7059
RGB percentages7.1%, 61.2%, 70.6%
HSLhsl(188.9, 81.8%, 38.8%)
HSV / HSBhsv(188.9, 90%, 70.6%)
CMYK90%, 13.3%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,219,764
CSS custom property--colour: #129CB4;
Brightness & contrast
Relative luminance0.27201WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.44:1
Contrast with white3.26:1WCAG normal text: Fail
Contrast with black6.44:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#ED634B
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.26:1WCAG large text: AA
Contrast with black, large text6.44:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#B42A12
Analogous#12B47B, #124BB4
Triadic#B4129C, #9CB412
Split complementary#B4124B, #B47B12
Tetradic#7B12B4, #B42A12, #4BB412
Tints, shades & saturation
Channel breakdown
R18
G156
B180
Red18 (7.1%)
Green156 (61.2%)
Blue180 (70.6%)
Hue188.89°
Saturation (HSL)81.82%
Lightness38.82%
Dominant channelBlue
Hex per channelR 12 · G 9C · B B4
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