#579FEB#579FEB

#579FEB is a light, vivid cyan. Relative luminance 0.328; OKLCH L 68.9% C 0.134 H 251.5°. Best body text is #000000 at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#579FEB
RGB	rgb(87, 159, 235)
HSL	hsl(211, 79%, 63%)
HSV	hsv(211, 63%, 92%)
CMYK	cmyk(63%, 32.3%, 0%, 7.8%)
CIE-LAB	lab(64.01, 0.47, -44.94)
CIE-LCH	lch(64.01, 44.94, 270.59°)
OKLab	oklab(68.9% -0.0426 -0.1271)
OKLCH	oklch(68.9% 0.134 251.5)
XYZ	xyz(31.3185, 32.8176, 83.2651)
Luminance	0.3282 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579FEB #EBA357

analogous

#57E9EB #579FEB #5957EB

triadic

#579FEB #EB579F #9FEB57

tetradic

#579FEB #EB57E9 #EBA357 #57EB59

square

#579FEB #EB57E9 #EBA357 #57EB59

split-complementary

#579FEB #EB5957 #E9EB57

monochromatic

#1562B2 #2080E4 #579FEB #8EBEF2 #C4DEF8

Accessibility & contrast

On white

2.78

#579FEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.56

#579FEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FEB

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579FEB	#FFFFFF	#000000	##000000
##579FEB	1.00	2.78	7.56	7.56
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.56	21.00	1.00	1.00
##000000	7.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7EA3EE

Deuteranopia (green-blind)

#6A95E9

Tritanopia (blue-blind)

#00B1BA

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #579feb;
/* rgb */ color: rgb(87, 159, 235);
/* oklch */ color: oklch(68.9% 0.134 251.5);

Tailwind

colors: {
  custom: {
    50: '#93bbf2',
    500: '#579feb',
    950: '#000000',
  },
}

SCSS

$custom: #579feb;
$custom-light: #93bbf2;
$custom-dark: #000000;

JSON

{
  "hex": "#579feb",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 235
  },
  "hsl": {
    "h": 210.811,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.68903,
    "c": 0.13407,
    "h": 251.5
  },
  "luminance": 0.32821
}

Semantic roles & 50–950 ramp

primary

#579FEB

secondary

#E9D0B4

accent

#760ADB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579FEB

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

Preview Lab → · Contrast checker → · Palette generator →