#57AEE4#57AEE4

#57AEE4 is a light, moderate cyan. Relative luminance 0.379; OKLCH L 71.9% C 0.115 H 238.5°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX#57AEE4
RGBrgb(87, 174, 228)
HSLhsl(203, 72%, 62%)
HSVhsv(203, 62%, 89%)
CMYKcmyk(61.8%, 23.7%, 0%, 10.6%)
CIE-LABlab(67.94, -10.18, -34.95)
CIE-LCHlch(67.94, 36.40, 253.77°)
OKLaboklab(71.9% -0.0601 -0.0981)
OKLCHoklch(71.9% 0.115 238.5)
XYZxyz(33.0648, 37.8965, 78.9560)
Luminance0.3790 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57AEE4 #E48D57
analogous
#57E4D4 #57AEE4 #5768E4
triadic
#57AEE4 #E457AE #AEE457
tetradic
#57AEE4 #D457E4 #E48D57 #68E457
square
#57AEE4 #D457E4 #E48D57 #68E457
split-complementary
#57AEE4 #E45768 #E4D457
monochromatic
#1B71A6 #2394DB #57AEE4 #8CC7EC #C0E1F5

Accessibility & contrast

On white

2.45
#57AEE4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.58
#57AEE4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AEE4
8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57AEE4#FFFFFF#000000##000000
##57AEE41.002.458.588.58
#FFFFFF2.451.0021.0021.00
#0000008.5821.001.001.00
##0000008.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#95AEE7
Deuteranopia (green-blind)
#829FE3
Tritanopia (blue-blind)
#00BCC0
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #57aee4;
/* rgb */ color: rgb(87, 174, 228);
/* oklch */ color: oklch(71.9% 0.115 238.5);
Tailwind
colors: {
  custom: {
    50: '#93c6ec',
    500: '#57aee4',
    950: '#000000',
  },
}
SCSS
$custom: #57aee4;
$custom-light: #93c6ec;
$custom-dark: #000000;
JSON
{
  "hex": "#57aee4",
  "rgb": {
    "r": 87,
    "g": 174,
    "b": 228
  },
  "hsl": {
    "h": 202.979,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.71902,
    "c": 0.11504,
    "h": 238.5
  },
  "luminance": 0.379
}

Semantic roles & 50–950 ramp

primary
#57AEE4
secondary
#E6C5B1
accent
#5C11D4
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #57AEE4

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

Preview Lab → · Contrast checker → · Palette generator →

#57AEE4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva