#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
RGBrgb(87, 158, 235)
HSLhsl(211, 79%, 63%)
HSVhsv(211, 63%, 92%)
CMYKcmyk(63%, 32.8%, 0%, 7.8%)
CIE-LABlab(63.73, 1.04, -45.38)
CIE-LCHlch(63.73, 45.39, 271.31°)
OKLaboklab(68.68% -0.0416 -0.1284)
OKLCHoklch(68.68% 0.135 252.1)
XYZxyz(31.1473, 32.4751, 83.2080)
Luminance0.3248 (WCAG relative)
Temperaturecool
Familycyan

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
##579EEB1.002.807.507.50
#FFFFFF2.801.0021.0021.00
#0000007.5021.001.001.00
##0000007.5021.001.001.00

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 →

#579EEB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva