Recognised as Colour
#337A7A
- #337A7A
- Cyan
- Dark
- Nearest: Teal
#337A7A is a cyan with RGB values 51, 122, 122 and HSL 180°, 41%, 34%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Teal.
Colour values
#337A7A#337A7A
HEX#337A7A
RGBrgb(51, 122, 122)
RGB (0–1)0.2, 0.4784, 0.4784
RGB percentages20%, 47.8%, 47.8%
HSLhsl(180, 41%, 33.9%)
HSV / HSBhsv(180, 58.2%, 47.8%)
CMYK58.2%, 0%, 0%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,373,690
CSS custom property--colour: #337A7A;
Brightness & contrast
Relative luminance0.16028WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.99:1
Contrast with white4.99:1WCAG normal text: AA
Contrast with black4.21:1WCAG normal text: Fail
Greyscale equivalent#6B6B6B
Inverted#CC8585
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.99:1WCAG large text: AAA
Contrast with black, large text4.21:1WCAG large text: AA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#7A3333
Analogous#337A57, #33577A
Triadic#7A337A, #7A7A33
Split complementary#7A3357, #7A5733
Tetradic#57337A, #7A3333, #577A33
Tints, shades & saturation
Channel breakdown
R51
G122
B122
Red51 (20%)
Green122 (47.8%)
Blue122 (47.8%)
Hue180°
Saturation (HSL)41.04%
Lightness33.92%
Dominant channelGreen and Blue
Hex per channelR 33 · G 7A · B 7A
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