Recognised as Colour
#509E8C
- #509E8C
- Cyan
- Dark
- Nearest: Cadetblue
#509E8C is a cyan with RGB values 80, 158, 140 and HSL 166°, 33%, 47%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#509E8C#509E8C
HEX#509E8C
RGBrgb(80, 158, 140)
RGB (0–1)0.3137, 0.6196, 0.549
RGB percentages31.4%, 62%, 54.9%
HSLhsl(166.2, 32.8%, 46.7%)
HSV / HSBhsv(166.2, 49.4%, 62%)
CMYK49.4%, 0%, 11.4%, 38%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,283,468
CSS custom property--colour: #509E8C;
Brightness & contrast
Relative luminance0.28053WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.61:1
Contrast with white3.18:1WCAG normal text: Fail
Contrast with black6.61:1WCAG normal text: AA
Greyscale equivalent#8C8C8C
Inverted#AF6173
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.18:1WCAG large text: AA
Contrast with black, large text6.61:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#9E5062
Analogous#509E65, #50899E
Triadic#8C509E, #9E8C50
Split complementary#9E5089, #9E6550
Tetradic#65509E, #9E5062, #899E50
Tints, shades & saturation
Channel breakdown
R80
G158
B140
Red80 (31.4%)
Green158 (62%)
Blue140 (54.9%)
Hue166.15°
Saturation (HSL)32.77%
Lightness46.67%
Dominant channelGreen
Hex per channelR 50 · G 9E · B 8C
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