Recognised as Colour
#40A4AF
- #40A4AF
- Cyan
- Dark
- Nearest: Cadetblue
#40A4AF is a cyan with RGB values 64, 164, 175 and HSL 186°, 46%, 47%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.
Colour values
#40A4AF#40A4AF
HEX#40A4AF
RGBrgb(64, 164, 175)
RGB (0–1)0.251, 0.6431, 0.6863
RGB percentages25.1%, 64.3%, 68.6%
HSLhsl(185.9, 46.4%, 46.9%)
HSV / HSBhsv(185.9, 63.4%, 68.6%)
CMYK63.4%, 6.3%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,236,463
CSS custom property--colour: #40A4AF;
Brightness & contrast
Relative luminance0.30736WCAG 2.x, 0 is black and 1 is white
Perceived brightness143.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.15:1
Contrast with white2.94:1WCAG normal text: Fail
Contrast with black7.15:1WCAG normal text: AAA
Greyscale equivalent#909090
Inverted#BF5B50
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.94:1WCAG large text: Fail
Contrast with black, large text7.15:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#AF4B40
Analogous#40AF83, #406DAF
Triadic#AF40A4, #A4AF40
Split complementary#AF406D, #AF8340
Tetradic#8240AF, #AF4B40, #6DAF40
Tints, shades & saturation
Channel breakdown
R64
G164
B175
Red64 (25.1%)
Green164 (64.3%)
Blue175 (68.6%)
Hue185.95°
Saturation (HSL)46.44%
Lightness46.86%
Dominant channelBlue
Hex per channelR 40 · G A4 · B AF
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