Recognised as Colour
#135D66
- #135D66
- Cyan
- Dark
- Nearest: Dark slate grey
#135D66 is a cyan with RGB values 19, 93, 102 and HSL 187°, 69%, 24%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#135D66#135D66
HEX#135D66
RGBrgb(19, 93, 102)
RGB (0–1)0.0745, 0.3647, 0.4
RGB percentages7.5%, 36.5%, 40%
HSLhsl(186.5, 68.6%, 23.7%)
HSV / HSBhsv(186.5, 81.4%, 40%)
CMYK81.4%, 8.8%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,269,094
CSS custom property--colour: #135D66;
Brightness & contrast
Relative luminance0.08926WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.54:1
Contrast with white7.54:1WCAG normal text: AAA
Contrast with black2.79:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#ECA299
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.54:1WCAG large text: AAA
Contrast with black, large text2.79:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#661C13
Analogous#136646, #133466
Triadic#66135D, #5D6613
Split complementary#661333, #664613
Tetradic#461366, #661C13, #346613
Tints, shades & saturation
Channel breakdown
R19
G93
B102
Red19 (7.5%)
Green93 (36.5%)
Blue102 (40%)
Hue186.51°
Saturation (HSL)68.6%
Lightness23.73%
Dominant channelBlue
Hex per channelR 13 · G 5D · B 66
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