#579DD1#579DD1

#579DD1 is a light, moderate cyan. Relative luminance 0.307; OKLCH L 67.2% C 0.105 H 242.6°. Best body text is #000000 at 7.15:1 contrast (WCAG AA passes).

Color values

HEX#579DD1
RGBrgb(87, 157, 209)
HSLhsl(206, 57%, 58%)
HSVhsv(206, 58%, 82%)
CMYKcmyk(58.4%, 24.9%, 0%, 18%)
CIE-LABlab(62.29, -6.78, -33.24)
CIE-LCHlch(62.29, 33.93, 258.47°)
OKLaboklab(67.16% -0.0482 -0.0932)
OKLCHoklch(67.16% 0.105 242.6)
XYZxyz(27.4918, 30.7411, 64.7941)
Luminance0.3074 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#579DD1 #D18B57
analogous
#57D1C8 #579DD1 #5760D1
triadic
#579DD1 #D1579D #9DD157
tetradic
#579DD1 #C857D1 #D18B57 #60D157
square
#579DD1 #C857D1 #D18B57 #60D157
split-complementary
#579DD1 #D15760 #D1C857
monochromatic
#255E88 #327FB8 #579DD1 #87B9DE #B7D5EB

Accessibility & contrast

On white

2.94
#579DD1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.15
#579DD1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DD1
7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##579DD1#FFFFFF#000000##000000
##579DD11.002.947.157.15
#FFFFFF2.941.0021.0021.00
#0000007.1521.001.001.00
##0000007.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#869DD3
Deuteranopia (green-blind)
#7691D0
Tritanopia (blue-blind)
#00AAAF
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #579dd1;
/* rgb */ color: rgb(87, 157, 209);
/* oklch */ color: oklch(67.2% 0.105 242.6);
Tailwind
colors: {
  custom: {
    50: '#90b9df',
    500: '#579dd1',
    950: '#000000',
  },
}
SCSS
$custom: #579dd1;
$custom-light: #90b9df;
$custom-dark: #000000;
JSON
{
  "hex": "#579dd1",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 209
  },
  "hsl": {
    "h": 205.574,
    "s": 57.009,
    "l": 58.039
  },
  "oklch": {
    "l": 0.67164,
    "c": 0.10498,
    "h": 242.6
  },
  "luminance": 0.30744
}

Semantic roles & 50–950 ramp

primary
#579DD1
secondary
#DABEAA
accent
#8948E0
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #579DD1

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

Preview Lab → · Contrast checker → · Palette generator →

#579DD1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva