#57A3E5#57A3E5

#57A3E5 is a light, vivid cyan. Relative luminance 0.339; OKLCH L 69.5% C 0.123 H 246.9°. Best body text is #000000 at 7.78:1 contrast (WCAG AA passes).

Color values

HEX#57A3E5
RGBrgb(87, 163, 229)
HSLhsl(208, 73%, 62%)
HSVhsv(208, 62%, 90%)
CMYKcmyk(62%, 28.8%, 0%, 10.2%)
CIE-LABlab(64.86, -3.76, -40.30)
CIE-LCHlch(64.86, 40.48, 264.67°)
OKLaboklab(69.48% -0.0484 -0.1136)
OKLCHoklch(69.48% 0.123 246.9)
XYZxyz(31.1653, 33.8748, 79.0096)
Luminance0.3388 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A3E5 #E59957
analogous
#57E5E0 #57A3E5 #575CE5
triadic
#57A3E5 #E557A3 #A3E557
tetradic
#57A3E5 #E057E5 #E59957 #5CE557
square
#57A3E5 #E057E5 #E59957 #5CE557
split-complementary
#57A3E5 #E5575C #E5E057
monochromatic
#1A66A8 #2286DD #57A3E5 #8CC0ED #C1DDF5

Accessibility & contrast

On white

2.70
#57A3E5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.78
#57A3E5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A3E5
7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A3E5#FFFFFF#000000##000000
##57A3E51.002.707.787.78
#FFFFFF2.701.0021.0021.00
#0000007.7821.001.001.00
##0000007.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#86A5E8
Deuteranopia (green-blind)
#7397E4
Tritanopia (blue-blind)
#00B3BA
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #57a3e5;
/* rgb */ color: rgb(87, 163, 229);
/* oklch */ color: oklch(69.5% 0.123 246.9);
Tailwind
colors: {
  custom: {
    50: '#92beed',
    500: '#57a3e5',
    950: '#000000',
  },
}
SCSS
$custom: #57a3e5;
$custom-light: #92beed;
$custom-dark: #000000;
JSON
{
  "hex": "#57a3e5",
  "rgb": {
    "r": 87,
    "g": 163,
    "b": 229
  },
  "hsl": {
    "h": 207.887,
    "s": 73.196,
    "l": 61.961
  },
  "oklch": {
    "l": 0.69481,
    "c": 0.12349,
    "h": 246.9
  },
  "luminance": 0.33878
}

Semantic roles & 50–950 ramp

primary
#57A3E5
secondary
#E6CAB2
accent
#6C10D5
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #57A3E5

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

Preview Lab → · Contrast checker → · Palette generator →

#57A3E5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva