Recognised as Colour
#42A2B2
- #42A2B2
- Cyan
- Dark
- Nearest: Cadetblue
#42A2B2 is a cyan with RGB values 66, 162, 178 and HSL 189°, 46%, 48%. It is a dark colour, so black text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.
Colour values
#42A2B2#42A2B2
HEX#42A2B2
RGBrgb(66, 162, 178)
RGB (0–1)0.2588, 0.6353, 0.698
RGB percentages25.9%, 63.5%, 69.8%
HSLhsl(188.6, 45.9%, 47.8%)
HSV / HSBhsv(188.6, 62.9%, 69.8%)
CMYK62.9%, 9%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,367,026
CSS custom property--colour: #42A2B2;
Brightness & contrast
Relative luminance0.30213WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.04:1
Contrast with white2.98:1WCAG normal text: Fail
Contrast with black7.04:1WCAG normal text: AAA
Greyscale equivalent#8F8F8F
Inverted#BD5D4D
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.98:1WCAG large text: Fail
Contrast with black, large text7.04:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#B25242
Analogous#42B28A, #426AB2
Triadic#B242A2, #A2B242
Split complementary#B2426A, #B28A42
Tetradic#8A42B2, #B25242, #6AB242
Tints, shades & saturation
Channel breakdown
R66
G162
B178
Red66 (25.9%)
Green162 (63.5%)
Blue178 (69.8%)
Hue188.57°
Saturation (HSL)45.9%
Lightness47.84%
Dominant channelBlue
Hex per channelR 42 · G A2 · B B2
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