Colour
#255F4D
- #255F4D
- Cyan
- Dark
- Nearest: Dark slate grey
#255F4D is a cyan with RGB values 37, 95, 77 and HSL 161°, 44%, 26%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#255F4D#255F4D
HEX#255F4D
RGBrgb(37, 95, 77)
RGB (0–1)0.1451, 0.3725, 0.302
RGB percentages14.5%, 37.3%, 30.2%
HSLhsl(161.4, 43.9%, 25.9%)
HSV / HSBhsv(161.4, 61.1%, 37.3%)
CMYK61.1%, 0%, 18.9%, 62.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,449,229
CSS custom property--colour: #255F4D;
Brightness & contrast
Relative luminance0.09114WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.44:1
Contrast with white7.44:1WCAG normal text: AAA
Contrast with black2.82:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#DAA0B2
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.44:1WCAG large text: AAA
Contrast with black, large text2.82:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5F2537
Analogous#255F30, #25545F
Triadic#4D255F, #5F4D25
Split complementary#5F2554, #5F3025
Tetradic#30255F, #5F2537, #545F25
Tints, shades & saturation
Channel breakdown
R37
G95
B77
Red37 (14.5%)
Green95 (37.3%)
Blue77 (30.2%)
Hue161.38°
Saturation (HSL)43.94%
Lightness25.88%
Dominant channelGreen
Hex per channelR 25 · G 5F · B 4D
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page