Colour
#51938C
- #51938C
- Cyan
- Dark
- Nearest: Cadetblue
#51938C is a cyan with RGB values 81, 147, 140 and HSL 174°, 29%, 45%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#51938C#51938C
HEX#51938C
RGBrgb(81, 147, 140)
RGB (0–1)0.3176, 0.5765, 0.549
RGB percentages31.8%, 57.6%, 54.9%
HSLhsl(173.6, 28.9%, 44.7%)
HSV / HSBhsv(173.6, 44.9%, 57.6%)
CMYK44.9%, 0%, 4.8%, 42.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,346,188
CSS custom property--colour: #51938C;
Brightness & contrast
Relative luminance0.2451WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.9:1
Contrast with white3.56:1WCAG normal text: Fail
Contrast with black5.9:1WCAG normal text: AA
Greyscale equivalent#848484
Inverted#AE6C73
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.56:1WCAG large text: AA
Contrast with black, large text5.9:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#935158
Analogous#51936B, #517993
Triadic#8C5193, #938C51
Split complementary#935179, #936B51
Tetradic#6B5193, #935158, #799351
Tints, shades & saturation
Channel breakdown
R81
G147
B140
Red81 (31.8%)
Green147 (57.6%)
Blue140 (54.9%)
Hue173.64°
Saturation (HSL)28.95%
Lightness44.71%
Dominant channelGreen
Hex per channelR 51 · G 93 · B 8C
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