Recognised as Colour
#51867B
- #51867B
- Cyan
- Dark
- Nearest: Cadetblue
#51867B is a cyan with RGB values 81, 134, 123 and HSL 168°, 25%, 42%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#51867B#51867B
HEX#51867B
RGBrgb(81, 134, 123)
RGB (0–1)0.3176, 0.5255, 0.4824
RGB percentages31.8%, 52.5%, 48.2%
HSLhsl(167.5, 24.7%, 42.2%)
HSV / HSBhsv(167.5, 39.6%, 52.5%)
CMYK39.6%, 0%, 8.2%, 47.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,342,843
CSS custom property--colour: #51867B;
Brightness & contrast
Relative luminance0.2023WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.05:1
Contrast with white4.16:1WCAG normal text: Fail
Contrast with black5.05:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#AE7984
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.16:1WCAG large text: AA
Contrast with black, large text5.05:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#86515C
Analogous#518660, #517786
Triadic#7B5186, #867B51
Split complementary#865177, #866051
Tetradic#605186, #86515C, #778651
Tints, shades & saturation
Channel breakdown
R81
G134
B123
Red81 (31.8%)
Green134 (52.5%)
Blue123 (48.2%)
Hue167.55°
Saturation (HSL)24.65%
Lightness42.16%
Dominant channelGreen
Hex per channelR 51 · G 86 · B 7B
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