#579CF5#579CF5

#579CF5 is a light, vivid cyan. Relative luminance 0.324; OKLCH L 68.8% C 0.149 H 255.6°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX#579CF5
RGBrgb(87, 156, 245)
HSLhsl(214, 89%, 65%)
HSVhsv(214, 64%, 96%)
CMYKcmyk(64.5%, 36.3%, 0%, 3.9%)
CIE-LABlab(63.67, 5.51, -50.98)
CIE-LCHlch(63.67, 51.28, 276.17°)
OKLaboklab(68.79% -0.0371 -0.1448)
OKLCHoklch(68.79% 0.149 255.6)
XYZxyz(32.2944, 32.3926, 90.9190)
Luminance0.3240 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#579CF5 #F5B057
analogous
#57EBF5 #579CF5 #6157F5
triadic
#579CF5 #F5579C #9CF557
tetradic
#579CF5 #F557EB #F5B057 #57F561
square
#579CF5 #F557EB #F5B057 #57F561
split-complementary
#579CF5 #F56157 #EBF557
monochromatic
#0C5DC6 #1D7AF2 #579CF5 #91BEF8 #CBE0FC

Accessibility & contrast

On white

2.81
#579CF5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.48
#579CF5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579CF5
7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##579CF5#FFFFFF#000000##000000
##579CF51.002.817.487.48
#FFFFFF2.811.0021.0021.00
#0000007.4821.001.001.00
##0000007.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#75A2F9
Deuteranopia (green-blind)
#5E93F3
Tritanopia (blue-blind)
#00B0BD
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #579cf5;
/* rgb */ color: rgb(87, 156, 245);
/* oklch */ color: oklch(68.8% 0.149 255.6);
Tailwind
colors: {
  custom: {
    50: '#95b8f9',
    500: '#579cf5',
    950: '#000000',
  },
}
SCSS
$custom: #579cf5;
$custom-light: #95b8f9;
$custom-dark: #000000;
JSON
{
  "hex": "#579cf5",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 245
  },
  "hsl": {
    "h": 213.797,
    "s": 88.764,
    "l": 65.098
  },
  "oklch": {
    "l": 0.6879,
    "c": 0.14945,
    "h": 255.6
  },
  "luminance": 0.32396
}

Semantic roles & 50–950 ramp

primary
#579CF5
secondary
#EFD7B9
accent
#8100E5
background
#F9FBFF
surface
#F2F6FF
border
#CCD0D7
text
#0E1117
muted
#7E8085

Preview Lab

Preview with #579CF5

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

Preview Lab → · Contrast checker → · Palette generator →

#579CF5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva