Recognised as Colour
#04564B
- #04564B
- Cyan
- Dark
- Nearest: Dark slate grey
#04564B is a cyan with RGB values 4, 86, 75 and HSL 172°, 91%, 18%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#04564B#04564B
HEX#04564B
RGBrgb(4, 86, 75)
RGB (0–1)0.0157, 0.3373, 0.2941
RGB percentages1.6%, 33.7%, 29.4%
HSLhsl(172, 91.1%, 17.6%)
HSV / HSBhsv(172, 95.3%, 33.7%)
CMYK95.3%, 0%, 12.8%, 66.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer284,235
CSS custom property--colour: #04564B;
Brightness & contrast
Relative luminance0.07189WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.61:1
Contrast with white8.61:1WCAG normal text: AAA
Contrast with black2.44:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#FBA9B4
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.61:1WCAG large text: AAA
Contrast with black, large text2.44:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#56040F
Analogous#045622, #043856
Triadic#4B0456, #564B04
Split complementary#560438, #562204
Tetradic#220456, #56040F, #385604
Tints, shades & saturation
Channel breakdown
R4
G86
B75
Red4 (1.6%)
Green86 (33.7%)
Blue75 (29.4%)
Hue171.95°
Saturation (HSL)91.11%
Lightness17.65%
Dominant channelGreen
Hex per channelR 04 · G 56 · B 4B
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