Recognised as Colour
#366A57
- #366A57
- Cyan
- Dark
- Nearest: Teal
#366A57 is a cyan with RGB values 54, 106, 87 and HSL 158°, 33%, 31%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Teal.
Colour values
#366A57#366A57
HEX#366A57
RGBrgb(54, 106, 87)
RGB (0–1)0.2118, 0.4157, 0.3412
RGB percentages21.2%, 41.6%, 34.1%
HSLhsl(158.1, 32.5%, 31.4%)
HSV / HSBhsv(158.1, 49.1%, 41.6%)
CMYK49.1%, 0%, 17.9%, 58.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,566,167
CSS custom property--colour: #366A57;
Brightness & contrast
Relative luminance0.1178WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.26:1
Contrast with white6.26:1WCAG normal text: AA
Contrast with black3.36:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#C995A8
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.26:1WCAG large text: AAA
Contrast with black, large text3.36:1WCAG large text: AA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#6A3649
Analogous#366A3D, #36636A
Triadic#57366A, #6A5736
Split complementary#6A3663, #6A3D36
Tetradic#3D366A, #6A3649, #636A36
Tints, shades & saturation
Channel breakdown
R54
G106
B87
Red54 (21.2%)
Green106 (41.6%)
Blue87 (34.1%)
Hue158.08°
Saturation (HSL)32.5%
Lightness31.37%
Dominant channelGreen
Hex per channelR 36 · G 6A · B 57
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