#579FCC#579FCC

#579FCC is a light, moderate cyan. Relative luminance 0.312; OKLCH L 67.4% C 0.098 H 238.1°. Best body text is #000000 at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#579FCC
RGB	rgb(87, 159, 204)
HSL	hsl(203, 53%, 57%)
HSV	hsv(203, 57%, 80%)
CMYK	cmyk(57.4%, 22.1%, 0%, 20%)
CIE-LAB	lab(62.66, -9.46, -29.88)
CIE-LCH	lch(62.66, 31.34, 252.44°)
OKLab	oklab(67.39% -0.0521 -0.0836)
OKLCH	oklch(67.39% 0.098 238.1)
XYZ	xyz(27.2236, 31.1797, 61.6987)
Luminance	0.3118 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579FCC #CC8457

analogous

#57CCBF #579FCC #5765CC

triadic

#579FCC #CC579F #9FCC57

tetradic

#579FCC #BF57CC #CC8457 #65CC57

square

#579FCC #BF57CC #CC8457 #65CC57

split-complementary

#579FCC #CC5765 #CCBF57

monochromatic

#275F81 #3681B0 #579FCC #86BADA #B5D5E9

Accessibility & contrast

On white

2.90

#579FCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.24

#579FCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FCC

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579FCC	#FFFFFF	#000000	##000000
##579FCC	1.00	2.90	7.24	7.24
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.24	21.00	1.00	1.00
##000000	7.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A9ECE

Deuteranopia (green-blind)

#7A92CB

Tritanopia (blue-blind)

#00AAAE

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #579fcc;
/* rgb */ color: rgb(87, 159, 204);
/* oklch */ color: oklch(67.4% 0.098 238.1);

Tailwind

colors: {
  custom: {
    50: '#8fbbdb',
    500: '#579fcc',
    950: '#000000',
  },
}

SCSS

$custom: #579fcc;
$custom-light: #8fbbdb;
$custom-dark: #000000;

JSON

{
  "hex": "#579fcc",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 204
  },
  "hsl": {
    "h": 203.077,
    "s": 53.425,
    "l": 57.059
  },
  "oklch": {
    "l": 0.6739,
    "c": 0.09849,
    "h": 238.1
  },
  "luminance": 0.31182
}

Semantic roles & 50–950 ramp

primary

#579FCC

secondary

#D7BAA8

accent

#834BDD

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579FCC

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →