Recognised as Colour
#158C90
- #158C90
- Cyan
- Dark
- Nearest: Dark cyan
#158C90 is a cyan with RGB values 21, 140, 144 and HSL 182°, 75%, 32%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#158C90#158C90
HEX#158C90
RGBrgb(21, 140, 144)
RGB (0–1)0.0824, 0.549, 0.5647
RGB percentages8.2%, 54.9%, 56.5%
HSLhsl(182, 74.5%, 32.4%)
HSV / HSBhsv(182, 85.4%, 56.5%)
CMYK85.4%, 2.8%, 0%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,412,240
CSS custom property--colour: #158C90;
Brightness & contrast
Relative luminance0.20929WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.19:1
Contrast with white4.05:1WCAG normal text: Fail
Contrast with black5.19:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#EA736F
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.05:1WCAG large text: AA
Contrast with black, large text5.19:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#901915
Analogous#159056, #154E90
Triadic#90158C, #8C9015
Split complementary#90154E, #905615
Tetradic#571590, #901915, #4F9015
Tints, shades & saturation
Channel breakdown
R21
G140
B144
Red21 (8.2%)
Green140 (54.9%)
Blue144 (56.5%)
Hue181.95°
Saturation (HSL)74.55%
Lightness32.35%
Dominant channelBlue
Hex per channelR 15 · G 8C · B 90
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