Recognised as Colour
#4099A7
- #4099A7
- Cyan
- Dark
- Nearest: Cadetblue
#4099A7 is a cyan with RGB values 64, 153, 167 and HSL 188°, 45%, 45%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#4099A7#4099A7
HEX#4099A7
RGBrgb(64, 153, 167)
RGB (0–1)0.251, 0.6, 0.6549
RGB percentages25.1%, 60%, 65.5%
HSLhsl(188.2, 44.6%, 45.3%)
HSV / HSBhsv(188.2, 61.7%, 65.5%)
CMYK61.7%, 8.4%, 0%, 34.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,233,639
CSS custom property--colour: #4099A7;
Brightness & contrast
Relative luminance0.26662WCAG 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 6.33:1
Contrast with white3.32:1WCAG normal text: Fail
Contrast with black6.33:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#BF6658
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.32:1WCAG large text: AA
Contrast with black, large text6.33:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A74E40
Analogous#40A781, #4066A7
Triadic#A74099, #99A740
Split complementary#A74066, #A78240
Tetradic#8140A7, #A74E40, #66A740
Tints, shades & saturation
Channel breakdown
R64
G153
B167
Red64 (25.1%)
Green153 (60%)
Blue167 (65.5%)
Hue188.16°
Saturation (HSL)44.59%
Lightness45.29%
Dominant channelBlue
Hex per channelR 40 · G 99 · B A7
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