Recognised as Colour
#228B7A
- #228B7A
- Cyan
- Dark
- Nearest: Dark cyan
#228B7A is a cyan with RGB values 34, 139, 122 and HSL 170°, 61%, 34%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#228B7A#228B7A
HEX#228B7A
RGBrgb(34, 139, 122)
RGB (0–1)0.1333, 0.5451, 0.4784
RGB percentages13.3%, 54.5%, 47.8%
HSLhsl(170.3, 60.7%, 33.9%)
HSV / HSBhsv(170.3, 75.5%, 54.5%)
CMYK75.5%, 0%, 12.2%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,263,930
CSS custom property--colour: #228B7A;
Brightness & contrast
Relative luminance0.2021WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.04:1
Contrast with white4.16:1WCAG normal text: Fail
Contrast with black5.04:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#DD7485
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.16:1WCAG large text: AA
Contrast with black, large text5.04:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8B2233
Analogous#228B46, #22678B
Triadic#7A228B, #8B7A22
Split complementary#8B2267, #8B4622
Tetradic#46228B, #8B2233, #678B22
Tints, shades & saturation
Channel breakdown
R34
G139
B122
Red34 (13.3%)
Green139 (54.5%)
Blue122 (47.8%)
Hue170.29°
Saturation (HSL)60.69%
Lightness33.92%
Dominant channelGreen
Hex per channelR 22 · G 8B · B 7A
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