Recognised as Colour
#374F46
- #374F46
- Cyan
- Dark
- Nearest: Dark slate grey
#374F46 is a cyan with RGB values 55, 79, 70 and HSL 158°, 18%, 26%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#374F46#374F46
HEX#374F46
RGBrgb(55, 79, 70)
RGB (0–1)0.2157, 0.3098, 0.2745
RGB percentages21.6%, 31%, 27.5%
HSLhsl(157.5, 17.9%, 26.3%)
HSV / HSBhsv(157.5, 30.4%, 31%)
CMYK30.4%, 0%, 11.4%, 69%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,624,774
CSS custom property--colour: #374F46;
Brightness & contrast
Relative luminance0.06846WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.86:1
Contrast with white8.86:1WCAG normal text: AAA
Contrast with black2.37:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#C8B0B9
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.86:1WCAG large text: AAA
Contrast with black, large text2.37:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4F3740
Analogous#374F3A, #374C4F
Triadic#46374F, #4F4637
Split complementary#4F374C, #4F3A37
Tetradic#3A374F, #4F3740, #4C4F37
Tints, shades & saturation
Channel breakdown
R55
G79
B70
Red55 (21.6%)
Green79 (31%)
Blue70 (27.5%)
Hue157.5°
Saturation (HSL)17.91%
Lightness26.27%
Dominant channelGreen
Hex per channelR 37 · G 4F · B 46
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