#579CEB#579CEB

#579CEB is a light, vivid cyan. Relative luminance 0.318; OKLCH L 68.2% C 0.137 H 253.2°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#579CEB
RGB	rgb(87, 156, 235)
HSL	hsl(212, 79%, 63%)
HSV	hsv(212, 63%, 92%)
CMYK	cmyk(63%, 33.6%, 0%, 7.8%)
CIE-LAB	lab(63.18, 2.19, -46.26)
CIE-LCH	lch(63.18, 46.31, 272.71°)
OKLab	oklab(68.25% -0.0396 -0.131)
OKLCH	oklch(68.25% 0.137 253.2)
XYZ	xyz(30.8089, 31.7984, 83.0952)
Luminance	0.3180 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579CEB #EBA657

analogous

#57E6EB #579CEB #5C57EB

triadic

#579CEB #EB579C #9CEB57

tetradic

#579CEB #EB57E6 #EBA657 #57EB5C

square

#579CEB #EB57E6 #EBA657 #57EB5C

split-complementary

#579CEB #EB5C57 #E6EB57

monochromatic

#155EB2 #207CE4 #579CEB #8EBCF2 #C4DCF8

Accessibility & contrast

On white

2.85

#579CEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#579CEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579CEB

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579CEB	#FFFFFF	#000000	##000000
##579CEB	1.00	2.85	7.36	7.36
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.36	21.00	1.00	1.00
##000000	7.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA1EE

Deuteranopia (green-blind)

#6693E9

Tritanopia (blue-blind)

#00AEB9

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #579ceb;
/* rgb */ color: rgb(87, 156, 235);
/* oklch */ color: oklch(68.2% 0.137 253.2);

Tailwind

colors: {
  custom: {
    50: '#93b8f2',
    500: '#579ceb',
    950: '#000000',
  },
}

SCSS

$custom: #579ceb;
$custom-light: #93b8f2;
$custom-dark: #000000;

JSON

{
  "hex": "#579ceb",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 235
  },
  "hsl": {
    "h": 212.027,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.68247,
    "c": 0.13684,
    "h": 253.2
  },
  "luminance": 0.31801
}

Semantic roles & 50–950 ramp

primary

#579CEB

secondary

#E9D1B4

accent

#7A0ADB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579CEB

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

Preview Lab → · Contrast checker → · Palette generator →