#579EEB#579EEB

#579EEB is a light, vivid cyan. Relative luminance 0.325; OKLCH L 68.7% C 0.135 H 252.1°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#579EEB
RGB	rgb(87, 158, 235)
HSL	hsl(211, 79%, 63%)
HSV	hsv(211, 63%, 92%)
CMYK	cmyk(63%, 32.8%, 0%, 7.8%)
CIE-LAB	lab(63.73, 1.04, -45.38)
CIE-LCH	lch(63.73, 45.39, 271.31°)
OKLab	oklab(68.68% -0.0416 -0.1284)
OKLCH	oklch(68.68% 0.135 252.1)
XYZ	xyz(31.1473, 32.4751, 83.2080)
Luminance	0.3248 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579EEB #EBA457

analogous

#57E8EB #579EEB #5A57EB

triadic

#579EEB #EB579E #9EEB57

tetradic

#579EEB #EB57E8 #EBA457 #57EB5A

square

#579EEB #EB57E8 #EBA457 #57EB5A

split-complementary

#579EEB #EB5A57 #E8EB57

monochromatic

#1561B2 #207EE4 #579EEB #8EBEF2 #C4DDF8

Accessibility & contrast

On white

2.80

#579EEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#579EEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579EEB

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579EEB	#FFFFFF	#000000	##000000
##579EEB	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7DA2EE

Deuteranopia (green-blind)

#6994E9

Tritanopia (blue-blind)

#00B0BA

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #579eeb;
/* rgb */ color: rgb(87, 158, 235);
/* oklch */ color: oklch(68.7% 0.135 252.1);

Tailwind

colors: {
  custom: {
    50: '#93baf2',
    500: '#579eeb',
    950: '#000000',
  },
}

SCSS

$custom: #579eeb;
$custom-light: #93baf2;
$custom-dark: #000000;

JSON

{
  "hex": "#579eeb",
  "rgb": {
    "r": 87,
    "g": 158,
    "b": 235
  },
  "hsl": {
    "h": 211.216,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.68684,
    "c": 0.13497,
    "h": 252.1
  },
  "luminance": 0.32478
}

Semantic roles & 50–950 ramp

primary

#579EEB

secondary

#E9D0B4

accent

#770ADB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579EEB

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

Preview Lab → · Contrast checker → · Palette generator →