Colour
#319DAD
- #319DAD
- Cyan
- Dark
- Nearest: Cadetblue
#319DAD is a cyan with RGB values 49, 157, 173 and HSL 188°, 56%, 44%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#319DAD#319DAD
HEX#319DAD
RGBrgb(49, 157, 173)
RGB (0–1)0.1922, 0.6157, 0.6784
RGB percentages19.2%, 61.6%, 67.8%
HSLhsl(187.7, 55.9%, 43.5%)
HSV / HSBhsv(187.7, 71.7%, 67.8%)
CMYK71.7%, 9.2%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,251,629
CSS custom property--colour: #319DAD;
Brightness & contrast
Relative luminance0.27784WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.56:1
Contrast with white3.2:1WCAG normal text: Fail
Contrast with black6.56:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#CE6252
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.2:1WCAG large text: AA
Contrast with black, large text6.56:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#AD4131
Analogous#31AD7F, #315FAD
Triadic#AD319D, #9DAD31
Split complementary#AD315F, #AD7F31
Tetradic#7F31AD, #AD4131, #5FAD31
Tints, shades & saturation
Channel breakdown
R49
G157
B173
Red49 (19.2%)
Green157 (61.6%)
Blue173 (67.8%)
Hue187.74°
Saturation (HSL)55.86%
Lightness43.53%
Dominant channelBlue
Hex per channelR 31 · G 9D · B AD
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