#579CF2#579CF2

#579CF2 is a light, vivid cyan. Relative luminance 0.322; OKLCH L 68.6% C 0.146 H 255.0°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#579CF2
RGB	rgb(87, 156, 242)
HSL	hsl(213, 86%, 65%)
HSV	hsv(213, 64%, 95%)
CMYK	cmyk(64%, 35.5%, 0%, 5.1%)
CIE-LAB	lab(63.52, 4.51, -49.57)
CIE-LCH	lch(63.52, 49.77, 275.20°)
OKLab	oklab(68.63% -0.0378 -0.1407)
OKLCH	oklch(68.63% 0.146 255)
XYZ	xyz(31.8402, 32.2109, 88.5265)
Luminance	0.3221 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579CF2 #F2AD57

analogous

#57EAF2 #579CF2 #6057F2

triadic

#579CF2 #F2579C #9CF257

tetradic

#579CF2 #F257EA #F2AD57 #57F260

square

#579CF2 #F257EA #F2AD57 #57F260

split-complementary

#579CF2 #F26057 #EAF257

monochromatic

#0F5EC0 #1E7BEE #579CF2 #90BDF6 #C9DFFB

Accessibility & contrast

On white

2.82

#579CF2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.44

#579CF2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579CF2

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579CF2	#FFFFFF	#000000	##000000
##579CF2	1.00	2.82	7.44	7.44
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.44	21.00	1.00	1.00
##000000	7.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76A2F6

Deuteranopia (green-blind)

#6193F0

Tritanopia (blue-blind)

#00B0BC

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #579cf2;
/* rgb */ color: rgb(87, 156, 242);
/* oklch */ color: oklch(68.6% 0.146 255.0);

Tailwind

colors: {
  custom: {
    50: '#94b8f7',
    500: '#579cf2',
    950: '#000000',
  },
}

SCSS

$custom: #579cf2;
$custom-light: #94b8f7;
$custom-dark: #000000;

JSON

{
  "hex": "#579cf2",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 242
  },
  "hsl": {
    "h": 213.29,
    "s": 85.635,
    "l": 64.51
  },
  "oklch": {
    "l": 0.68625,
    "c": 0.14565,
    "h": 255
  },
  "luminance": 0.32214
}

Semantic roles & 50–950 ramp

primary

#579CF2

secondary

#EDD5B8

accent

#7F03E2

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579CF2

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

Preview Lab → · Contrast checker → · Palette generator →