Colour
#225A5C
- #225A5C
- Cyan
- Dark
- Nearest: Dark slate grey
#225A5C is a cyan with RGB values 34, 90, 92 and HSL 182°, 46%, 25%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#225A5C#225A5C
HEX#225A5C
RGBrgb(34, 90, 92)
RGB (0–1)0.1333, 0.3529, 0.3608
RGB percentages13.3%, 35.3%, 36.1%
HSLhsl(182.1, 46%, 24.7%)
HSV / HSBhsv(182.1, 63%, 36.1%)
CMYK63%, 2.2%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,251,356
CSS custom property--colour: #225A5C;
Brightness & contrast
Relative luminance0.08425WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.82:1
Contrast with white7.82:1WCAG normal text: AAA
Contrast with black2.69:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#DDA5A3
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.82:1WCAG large text: AAA
Contrast with black, large text2.69:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5C2422
Analogous#225C41, #223D5C
Triadic#5C225A, #5A5C22
Split complementary#5C223D, #5C4122
Tetradic#41225C, #5C2422, #3D5C22
Tints, shades & saturation
Channel breakdown
R34
G90
B92
Red34 (13.3%)
Green90 (35.3%)
Blue92 (36.1%)
Hue182.07°
Saturation (HSL)46.03%
Lightness24.71%
Dominant channelBlue
Hex per channelR 22 · G 5A · B 5C
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