#579CC4#579CC4

#579CC4 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.3% C 0.092 H 235.9°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX#579CC4
RGBrgb(87, 156, 196)
HSLhsl(202, 48%, 55%)
HSVhsv(202, 56%, 77%)
CMYKcmyk(55.6%, 20.4%, 0%, 23.1%)
CIE-LABlab(61.47, -10.27, -27.25)
CIE-LCHlch(61.47, 29.12, 249.35°)
OKLaboklab(66.34% -0.0515 -0.076)
OKLCHoklch(66.34% 0.092 235.9)
XYZxyz(25.7790, 29.7864, 56.6047)
Luminance0.2979 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#579CC4 #C47F57
analogous
#57C4B5 #579CC4 #5765C4
triadic
#579CC4 #C4579C #9CC457
tetradic
#579CC4 #B557C4 #C47F57 #65C457
square
#579CC4 #B557C4 #C47F57 #65C457
split-complementary
#579CC4 #C45765 #C4B557
monochromatic
#2A5B77 #3A7DA4 #579CC4 #84B7D4 #B2D1E4

Accessibility & contrast

On white

3.02
#579CC4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.96
#579CC4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579CC4
6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##579CC4#FFFFFF#000000##000000
##579CC41.003.026.966.96
#FFFFFF3.021.0021.0021.00
#0000006.9621.001.001.00
##0000006.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#899BC6
Deuteranopia (green-blind)
#7A8FC3
Tritanopia (blue-blind)
#00A6A9
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #579cc4;
/* rgb */ color: rgb(87, 156, 196);
/* oklch */ color: oklch(66.3% 0.092 235.9);
Tailwind
colors: {
  custom: {
    50: '#8eb9d6',
    500: '#579cc4',
    950: '#000000',
  },
}
SCSS
$custom: #579cc4;
$custom-light: #8eb9d6;
$custom-dark: #000000;
JSON
{
  "hex": "#579cc4",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 196
  },
  "hsl": {
    "h": 202.018,
    "s": 48.018,
    "l": 55.49
  },
  "oklch": {
    "l": 0.66341,
    "c": 0.09185,
    "h": 235.9
  },
  "luminance": 0.29789
}

Semantic roles & 50–950 ramp

primary
#579CC4
secondary
#D2B5A5
accent
#8250D8
background
#F9FBFD
surface
#F1F6FA
border
#CBD0D3
text
#0D1114
muted
#7E8083

Preview Lab

Preview with #579CC4

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

Preview Lab → · Contrast checker → · Palette generator →

#579CC4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva