Recognised as Colour
#40908B
- #40908B
- Cyan
- Dark
- Nearest: Dark cyan
#40908B is a cyan with RGB values 64, 144, 139 and HSL 176°, 38%, 41%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#40908B#40908B
HEX#40908B
RGBrgb(64, 144, 139)
RGB (0–1)0.251, 0.5647, 0.5451
RGB percentages25.1%, 56.5%, 54.5%
HSLhsl(176.3, 38.5%, 40.8%)
HSV / HSBhsv(176.3, 55.6%, 56.5%)
CMYK55.6%, 0%, 3.5%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,231,307
CSS custom property--colour: #40908B;
Brightness & contrast
Relative luminance0.22901WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.58:1
Contrast with white3.76:1WCAG normal text: Fail
Contrast with black5.58:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#BF6F74
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.76:1WCAG large text: AA
Contrast with black, large text5.58:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#904045
Analogous#409063, #406D90
Triadic#8B4090, #908B40
Split complementary#90406D, #906340
Tetradic#634090, #904045, #6D9040
Tints, shades & saturation
Channel breakdown
R64
G144
B139
Red64 (25.1%)
Green144 (56.5%)
Blue139 (54.5%)
Hue176.25°
Saturation (HSL)38.46%
Lightness40.78%
Dominant channelGreen
Hex per channelR 40 · G 90 · B 8B
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