#57AEF5#57AEF5

#57AEF5 is a light, vivid cyan. Relative luminance 0.389; OKLCH L 72.7% C 0.133 H 245.7°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX#57AEF5
RGBrgb(87, 174, 245)
HSLhsl(207, 89%, 65%)
HSVhsv(207, 64%, 96%)
CMYKcmyk(64.5%, 29%, 0%, 3.9%)
CIE-LABlab(68.67, -4.73, -43.10)
CIE-LCHlch(68.67, 43.36, 263.73°)
OKLaboklab(72.72% -0.0548 -0.1216)
OKLCHoklch(72.72% 0.133 245.7)
XYZxyz(35.5418, 38.8873, 92.0014)
Luminance0.3889 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57AEF5 #F59E57
analogous
#57F5ED #57AEF5 #575FF5
triadic
#57AEF5 #F557AE #AEF557
tetradic
#57AEF5 #ED57F5 #F59E57 #5FF557
square
#57AEF5 #ED57F5 #F59E57 #5FF557
split-complementary
#57AEF5 #F5575F #F5ED57
monochromatic
#0C72C6 #1D92F2 #57AEF5 #91CAF8 #CBE6FC

Accessibility & contrast

On white

2.39
#57AEF5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.78
#57AEF5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AEF5
8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57AEF5#FFFFFF#000000##000000
##57AEF51.002.398.788.78
#FFFFFF2.391.0021.0021.00
#0000008.7821.001.001.00
##0000008.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8FB0F8
Deuteranopia (green-blind)
#79A1F4
Tritanopia (blue-blind)
#00BFC7
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #57aef5;
/* rgb */ color: rgb(87, 174, 245);
/* oklch */ color: oklch(72.7% 0.133 245.7);
Tailwind
colors: {
  custom: {
    50: '#95c5f8',
    500: '#57aef5',
    950: '#000000',
  },
}
SCSS
$custom: #57aef5;
$custom-light: #95c5f8;
$custom-dark: #000000;
JSON
{
  "hex": "#57aef5",
  "rgb": {
    "r": 87,
    "g": 174,
    "b": 245
  },
  "hsl": {
    "h": 206.962,
    "s": 88.764,
    "l": 65.098
  },
  "oklch": {
    "l": 0.72715,
    "c": 0.13341,
    "h": 245.7
  },
  "luminance": 0.38891
}

Semantic roles & 50–950 ramp

primary
#57AEF5
secondary
#EFD1B9
accent
#6700E5
background
#F9FCFF
surface
#F2F8FF
border
#CCD1D7
text
#0E1217
muted
#7E8185

Preview Lab

Preview with #57AEF5

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

Preview Lab → · Contrast checker → · Palette generator →

#57AEF5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva