Recognised as Colour
#11403F
- #11403F
- Cyan
- Dark
- Nearest: Dark slate grey
#11403F is a cyan with RGB values 17, 64, 63 and HSL 179°, 58%, 16%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#11403F#11403F
HEX#11403F
RGBrgb(17, 64, 63)
RGB (0–1)0.0667, 0.251, 0.2471
RGB percentages6.7%, 25.1%, 24.7%
HSLhsl(178.7, 58%, 15.9%)
HSV / HSBhsv(178.7, 73.4%, 25.1%)
CMYK73.4%, 0%, 1.6%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,130,559
CSS custom property--colour: #11403F;
Brightness & contrast
Relative luminance0.04145WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.48:1
Contrast with white11.48:1WCAG normal text: AAA
Contrast with black1.83:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#EEBFC0
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.48:1WCAG large text: AAA
Contrast with black, large text1.83:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#401112
Analogous#114028, #112A40
Triadic#3F1140, #403F11
Split complementary#40112A, #402811
Tetradic#271140, #401112, #294011
Tints, shades & saturation
Channel breakdown
R17
G64
B63
Red17 (6.7%)
Green64 (25.1%)
Blue63 (24.7%)
Hue178.72°
Saturation (HSL)58.02%
Lightness15.88%
Dominant channelGreen
Hex per channelR 11 · G 40 · B 3F
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