#579FE9#579FE9

#579FE9 is a light, vivid cyan. Relative luminance 0.327; OKLCH L 68.8% C 0.132 H 250.9°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).

Color values

HEX#579FE9
RGBrgb(87, 159, 233)
HSLhsl(210, 77%, 63%)
HSVhsv(210, 63%, 91%)
CMYKcmyk(62.7%, 31.8%, 0%, 8.6%)
CIE-LABlab(63.92, -0.19, -43.99)
CIE-LCHlch(63.92, 43.99, 269.75°)
OKLaboklab(68.8% -0.0431 -0.1243)
OKLCHoklch(68.8% 0.132 250.9)
XYZxyz(31.0312, 32.7027, 81.7519)
Luminance0.3271 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#579FE9 #E9A157
analogous
#57E8E9 #579FE9 #5857E9
triadic
#579FE9 #E9579F #9FE957
tetradic
#579FE9 #E957E8 #E9A157 #57E958
square
#579FE9 #E957E8 #E9A157 #57E958
split-complementary
#579FE9 #E95857 #E8E957
monochromatic
#1762AF #2180E2 #579FE9 #8DBEF0 #C3DDF7

Accessibility & contrast

On white

2.78
#579FE9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.54
#579FE9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FE9
7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##579FE9#FFFFFF#000000##000000
##579FE91.002.787.547.54
#FFFFFF2.781.0021.0021.00
#0000007.5421.001.001.00
##0000007.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7FA3EC
Deuteranopia (green-blind)
#6B95E8
Tritanopia (blue-blind)
#00B0B9
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #579fe9;
/* rgb */ color: rgb(87, 159, 233);
/* oklch */ color: oklch(68.8% 0.132 250.9);
Tailwind
colors: {
  custom: {
    50: '#93bbf0',
    500: '#579fe9',
    950: '#000000',
  },
}
SCSS
$custom: #579fe9;
$custom-light: #93bbf0;
$custom-dark: #000000;
JSON
{
  "hex": "#579fe9",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 233
  },
  "hsl": {
    "h": 210.411,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.68799,
    "c": 0.13161,
    "h": 250.9
  },
  "luminance": 0.32706
}

Semantic roles & 50–950 ramp

primary
#579FE9
secondary
#E8CEB3
accent
#740CD9
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #579FE9

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

Preview Lab → · Contrast checker → · Palette generator →

#579FE9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva