Colour
#00575C
- #00575C
- Cyan
- Dark
- Nearest: Dark slate grey
#00575C is a cyan with RGB values 0, 87, 92 and HSL 183°, 100%, 18%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#00575C#00575C
HEX#00575C
RGBrgb(0, 87, 92)
RGB (0–1)0, 0.3412, 0.3608
RGB percentages0%, 34.1%, 36.1%
HSLhsl(183.3, 100%, 18%)
HSV / HSBhsv(183.3, 100%, 36.1%)
CMYK100%, 5.4%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer22,364
CSS custom property--colour: #00575C;
Brightness & contrast
Relative luminance0.07589WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.34:1
Contrast with white8.34:1WCAG normal text: AAA
Contrast with black2.52:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#FFA8A3
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.34:1WCAG large text: AAA
Contrast with black, large text2.52:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5C0500
Analogous#005C33, #00295C
Triadic#5C0057, #575C00
Split complementary#5C0029, #5C3300
Tetradic#33005C, #5C0500, #295C00
Tints, shades & saturation
Channel breakdown
R0
G87
B92
Red0 (0%)
Green87 (34.1%)
Blue92 (36.1%)
Hue183.26°
Saturation (HSL)100%
Lightness18.04%
Dominant channelBlue
Hex per channelR 00 · G 57 · B 5C
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