#579CEE#579CEE

#579CEE is a light, vivid cyan. Relative luminance 0.320; OKLCH L 68.4% C 0.141 H 254.0°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).

Color values

HEX#579CEE
RGBrgb(87, 156, 238)
HSLhsl(213, 82%, 64%)
HSVhsv(213, 63%, 93%)
CMYKcmyk(63.4%, 34.5%, 0%, 6.7%)
CIE-LABlab(63.32, 3.18, -47.68)
CIE-LCHlch(63.32, 47.79, 273.82°)
OKLaboklab(68.41% -0.0388 -0.1351)
OKLCHoklch(68.41% 0.141 254)
XYZxyz(31.2460, 31.9732, 85.3971)
Luminance0.3198 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#579CEE #EEA957
analogous
#57E7EE #579CEE #5D57EE
triadic
#579CEE #EE579C #9CEE57
tetradic
#579CEE #EE57E7 #EEA957 #57EE5D
square
#579CEE #EE57E7 #EEA957 #57EE5D
split-complementary
#579CEE #EE5D57 #E7EE57
monochromatic
#135EB8 #1F7BE8 #579CEE #8FBDF4 #C6DDF9

Accessibility & contrast

On white

2.84
#579CEE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.40
#579CEE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579CEE
7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##579CEE#FFFFFF#000000##000000
##579CEE1.002.847.407.40
#FFFFFF2.841.0021.0021.00
#0000007.4021.001.001.00
##0000007.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#78A1F1
Deuteranopia (green-blind)
#6493EC
Tritanopia (blue-blind)
#00AFBA
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #579cee;
/* rgb */ color: rgb(87, 156, 238);
/* oklch */ color: oklch(68.4% 0.141 254.0);
Tailwind
colors: {
  custom: {
    50: '#94b8f4',
    500: '#579cee',
    950: '#000000',
  },
}
SCSS
$custom: #579cee;
$custom-light: #94b8f4;
$custom-dark: #000000;
JSON
{
  "hex": "#579cee",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 238
  },
  "hsl": {
    "h": 212.583,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.68408,
    "c": 0.14061,
    "h": 254
  },
  "luminance": 0.31976
}

Semantic roles & 50–950 ramp

primary
#579CEE
secondary
#EBD3B6
accent
#7C08DE
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1117
muted
#7E8085

Preview Lab

Preview with #579CEE

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

Preview Lab → · Contrast checker → · Palette generator →

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