Recognised as Colour
#289CAC
- #289CAC
- Cyan
- Dark
- Nearest: Cadetblue
#289CAC is a cyan with RGB values 40, 156, 172 and HSL 187°, 62%, 42%. 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
#289CAC#289CAC
HEX#289CAC
RGBrgb(40, 156, 172)
RGB (0–1)0.1569, 0.6118, 0.6745
RGB percentages15.7%, 61.2%, 67.5%
HSLhsl(187.3, 62.3%, 41.6%)
HSV / HSBhsv(187.3, 76.7%, 67.5%)
CMYK76.7%, 9.3%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,661,548
CSS custom property--colour: #289CAC;
Brightness & contrast
Relative luminance0.27207WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.7 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#848484
Inverted#D76353
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#AC3828
Analogous#28AC7A, #285AAC
Triadic#AC289C, #9CAC28
Split complementary#AC285A, #AC7A28
Tetradic#7A28AC, #AC3828, #5AAC28
Tints, shades & saturation
Channel breakdown
R40
G156
B172
Red40 (15.7%)
Green156 (61.2%)
Blue172 (67.5%)
Hue187.27°
Saturation (HSL)62.26%
Lightness41.57%
Dominant channelBlue
Hex per channelR 28 · G 9C · B AC
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