#57AAFE#57AAFE

#57AAFE is a light, vivid cyan. Relative luminance 0.379; OKLCH L 72.3% C 0.147 H 250.8°. Best body text is #000000 at 8.59:1 contrast (WCAG AA passes).

Color values

HEX#57AAFE
RGBrgb(87, 170, 254)
HSLhsl(210, 99%, 67%)
HSVhsv(210, 66%, 100%)
CMYKcmyk(65.7%, 33.1%, 0%, 0.4%)
CIE-LABlab(67.97, 0.46, -49.09)
CIE-LCHlch(67.97, 49.09, 270.54°)
OKLaboklab(72.3% -0.0484 -0.1391)
OKLCHoklch(72.3% 0.147 250.8)
XYZxyz(36.1880, 37.9277, 99.1604)
Luminance0.3793 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57AAFE #FEAB57
analogous
#57FDFE #57AAFE #5857FE
triadic
#57AAFE #FE57AA #AAFE57
tetradic
#57AAFE #FE57FD #FEAB57 #57FE58
square
#57AAFE #FE57FD #FEAB57 #57FE58
split-complementary
#57AAFE #FE5857 #FDFE57
monochromatic
#016DD9 #1A8BFE #57AAFE #94C9FE #D1E8FF

Accessibility & contrast

On white

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

On black

8.59
#57AAFE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AAFE
8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57AAFE#FFFFFF#000000##000000
##57AAFE1.002.458.598.59
#FFFFFF2.451.0021.0021.00
#0000008.5921.001.001.00
##0000008.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#85AEFF
Deuteranopia (green-blind)
#6E9EFC
Tritanopia (blue-blind)
#00BEC8
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #57aafe;
/* rgb */ color: rgb(87, 170, 254);
/* oklch */ color: oklch(72.3% 0.147 250.8);
Tailwind
colors: {
  custom: {
    50: '#96c2ff',
    500: '#57aafe',
    950: '#000000',
  },
}
SCSS
$custom: #57aafe;
$custom-light: #96c2ff;
$custom-dark: #000000;
JSON
{
  "hex": "#57aafe",
  "rgb": {
    "r": 87,
    "g": 170,
    "b": 254
  },
  "hsl": {
    "h": 210.18,
    "s": 98.817,
    "l": 66.863
  },
  "oklch": {
    "l": 0.72298,
    "c": 0.14728,
    "h": 250.8
  },
  "luminance": 0.37931
}

Semantic roles & 50–950 ramp

primary
#57AAFE
secondary
#F3D9BE
accent
#7300E6
background
#FAFBFF
surface
#F3F7FF
border
#CDD0D7
text
#0F1218
muted
#7F8186

Preview Lab

Preview with #57AAFE

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

Preview Lab → · Contrast checker → · Palette generator →

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