#579ADD#579ADD

#579ADD is a light, vivid cyan. Relative luminance 0.304; OKLCH L 67.1% C 0.121 H 250.1°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX#579ADD
RGBrgb(87, 154, 221)
HSLhsl(210, 66%, 60%)
HSVhsv(210, 61%, 87%)
CMYKcmyk(60.6%, 30.3%, 0%, 13.3%)
CIE-LABlab(61.96, -1.24, -40.43)
CIE-LCHlch(61.96, 40.45, 268.24°)
OKLaboklab(67.08% -0.0413 -0.114)
OKLCHoklch(67.08% 0.121 250.1)
XYZxyz(28.5325, 30.3552, 72.7481)
Luminance0.3036 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#579ADD #DD9A57
analogous
#57DDDD #579ADD #5757DD
triadic
#579ADD #DD579A #9ADD57
tetradic
#579ADD #DD57DD #DD9A57 #57DD57
square
#579ADD #DD57DD #DD9A57 #57DD57
split-complementary
#579ADD #DD5757 #DDDD57
monochromatic
#1F5D9A #2A7BCD #579ADD #8AB9E7 #BDD7F2

Accessibility & contrast

On white

2.97
#579ADD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.07
#579ADD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579ADD
7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##579ADD#FFFFFF#000000##000000
##579ADD1.002.977.077.07
#FFFFFF2.971.0021.0021.00
#0000007.0721.001.001.00
##0000007.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D9DE0
Deuteranopia (green-blind)
#6B90DC
Tritanopia (blue-blind)
#00AAB2
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #579add;
/* rgb */ color: rgb(87, 154, 221);
/* oklch */ color: oklch(67.1% 0.121 250.1);
Tailwind
colors: {
  custom: {
    50: '#91b7e8',
    500: '#579add',
    950: '#000000',
  },
}
SCSS
$custom: #579add;
$custom-light: #91b7e8;
$custom-dark: #000000;
JSON
{
  "hex": "#579add",
  "rgb": {
    "r": 87,
    "g": 154,
    "b": 221
  },
  "hsl": {
    "h": 210,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.67078,
    "c": 0.12131,
    "h": 250.1
  },
  "luminance": 0.30358
}

Semantic roles & 50–950 ramp

primary
#579ADD
secondary
#E1C8AE
accent
#7317CE
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #579ADD

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

Preview Lab → · Contrast checker → · Palette generator →

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