Colour
#579DA1
- #579DA1
- Cyan
- Dark
- Nearest: Cadetblue
#579DA1 is a cyan with RGB values 87, 157, 161 and HSL 183°, 30%, 49%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#579DA1#579DA1
HEX#579DA1
RGBrgb(87, 157, 161)
RGB (0–1)0.3412, 0.6157, 0.6314
RGB percentages34.1%, 61.6%, 63.1%
HSLhsl(183.2, 29.8%, 48.6%)
HSV / HSBhsv(183.2, 46%, 63.1%)
CMYK46%, 2.5%, 0%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,741,985
CSS custom property--colour: #579DA1;
Brightness & contrast
Relative luminance0.28713WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.74:1
Contrast with white3.11:1WCAG normal text: Fail
Contrast with black6.74:1WCAG normal text: AA
Greyscale equivalent#8E8E8E
Inverted#A8625E
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.11:1WCAG large text: AA
Contrast with black, large text6.74:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A15B57
Analogous#57A180, #5778A1
Triadic#A1579D, #9DA157
Split complementary#A15778, #A18057
Tetradic#8057A1, #A15B57, #78A157
Tints, shades & saturation
Channel breakdown
R87
G157
B161
Red87 (34.1%)
Green157 (61.6%)
Blue161 (63.1%)
Hue183.24°
Saturation (HSL)29.84%
Lightness48.63%
Dominant channelBlue
Hex per channelR 57 · G 9D · B A1
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