Recognised as Colour
#05535A
- #05535A
- Cyan
- Dark
- Nearest: Dark slate grey
#05535A is a cyan with RGB values 5, 83, 90 and HSL 185°, 89%, 19%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#05535A#05535A
HEX#05535A
RGBrgb(5, 83, 90)
RGB (0–1)0.0196, 0.3255, 0.3529
RGB percentages2%, 32.5%, 35.3%
HSLhsl(184.9, 89.5%, 18.6%)
HSV / HSBhsv(184.9, 94.4%, 35.3%)
CMYK94.4%, 7.8%, 0%, 64.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer349,018
CSS custom property--colour: #05535A;
Brightness & contrast
Relative luminance0.06957WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.78:1
Contrast with white8.78:1WCAG normal text: AAA
Contrast with black2.39:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#FAACA5
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.78:1WCAG large text: AAA
Contrast with black, large text2.39:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5A0C05
Analogous#055A37, #05285A
Triadic#5A0553, #535A05
Split complementary#5A0528, #5A3705
Tetradic#37055A, #5A0C05, #295A05
Tints, shades & saturation
Channel breakdown
R5
G83
B90
Red5 (2%)
Green83 (32.5%)
Blue90 (35.3%)
Hue184.94°
Saturation (HSL)89.47%
Lightness18.63%
Dominant channelBlue
Hex per channelR 05 · G 53 · B 5A
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