Recognised as Colour
#377A80
- #377A80
- Cyan
- Dark
- Nearest: Teal
#377A80 is a cyan with RGB values 55, 122, 128 and HSL 185°, 40%, 36%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Teal.
Colour values
#377A80#377A80
HEX#377A80
RGBrgb(55, 122, 128)
RGB (0–1)0.2157, 0.4784, 0.502
RGB percentages21.6%, 47.8%, 50.2%
HSLhsl(184.9, 39.9%, 35.9%)
HSV / HSBhsv(184.9, 57%, 50.2%)
CMYK57%, 4.7%, 0%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,635,840
CSS custom property--colour: #377A80;
Brightness & contrast
Relative luminance0.1629WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.93:1
Contrast with white4.93:1WCAG normal text: AA
Contrast with black4.26:1WCAG normal text: Fail
Greyscale equivalent#6C6C6C
Inverted#C8857F
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.93:1WCAG large text: AAA
Contrast with black, large text4.26:1WCAG large text: AA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#803D37
Analogous#378061, #375680
Triadic#80377A, #7A8037
Split complementary#803756, #806137
Tetradic#613780, #803D37, #568037
Tints, shades & saturation
Channel breakdown
R55
G122
B128
Red55 (21.6%)
Green122 (47.8%)
Blue128 (50.2%)
Hue184.93°
Saturation (HSL)39.89%
Lightness35.88%
Dominant channelBlue
Hex per channelR 37 · G 7A · B 80
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