#579FC9#579FC9

#579FC9 is a light, moderate cyan. Relative luminance 0.310; OKLCH L 67.3% C 0.095 H 236.2°. Best body text is #000000 at 7.21:1 contrast (WCAG AA passes).

Color values

HEX#579FC9
RGBrgb(87, 159, 201)
HSLhsl(202, 51%, 56%)
HSVhsv(202, 57%, 79%)
CMYKcmyk(56.7%, 20.9%, 0%, 21.2%)
CIE-LABlab(62.54, -10.39, -28.39)
CIE-LCHlch(62.54, 30.23, 249.91°)
OKLaboklab(67.26% -0.0531 -0.0793)
OKLCHoklch(67.26% 0.095 236.2)
XYZxyz(26.8673, 31.0371, 59.8219)
Luminance0.3104 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#579FC9 #C98157
analogous
#57C9BA #579FC9 #5766C9
triadic
#579FC9 #C9579F #9FC957
tetradic
#579FC9 #BA57C9 #C98157 #66C957
square
#579FC9 #BA57C9 #C98157 #66C957
split-complementary
#579FC9 #C95766 #C9BA57
monochromatic
#285E7D #3781AC #579FC9 #85B9D8 #B4D4E7

Accessibility & contrast

On white

2.91
#579FC9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.21
#579FC9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FC9
7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##579FC9#FFFFFF#000000##000000
##579FC91.002.917.217.21
#FFFFFF2.911.0021.0021.00
#0000007.2121.001.001.00
##0000007.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B9ECB
Deuteranopia (green-blind)
#7C92C8
Tritanopia (blue-blind)
#00AAAD
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #579fc9;
/* rgb */ color: rgb(87, 159, 201);
/* oklch */ color: oklch(67.3% 0.095 236.2);
Tailwind
colors: {
  custom: {
    50: '#8fbbd9',
    500: '#579fc9',
    950: '#000000',
  },
}
SCSS
$custom: #579fc9;
$custom-light: #8fbbd9;
$custom-dark: #000000;
JSON
{
  "hex": "#579fc9",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 201
  },
  "hsl": {
    "h": 202.105,
    "s": 51.351,
    "l": 56.471
  },
  "oklch": {
    "l": 0.67255,
    "c": 0.09546,
    "h": 236.2
  },
  "luminance": 0.3104
}

Semantic roles & 50–950 ramp

primary
#579FC9
secondary
#D5B8A7
accent
#814DDB
background
#F9FBFD
surface
#F1F6FA
border
#CBD0D3
text
#0D1114
muted
#7E8083

Preview Lab

Preview with #579FC9

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

Preview Lab → · Contrast checker → · Palette generator →

#579FC9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva