#57AFE4#57AFE4

#57AFE4 is a light, moderate cyan. Relative luminance 0.383; OKLCH L 72.1% C 0.115 H 237.7°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX#57AFE4
RGBrgb(87, 175, 228)
HSLhsl(203, 72%, 62%)
HSVhsv(203, 62%, 89%)
CMYKcmyk(61.8%, 23.2%, 0%, 10.6%)
CIE-LABlab(68.23, -10.72, -34.51)
CIE-LCHlch(68.23, 36.13, 252.74°)
OKLaboklab(72.13% -0.0612 -0.0968)
OKLCHoklch(72.13% 0.115 237.7)
XYZxyz(33.2587, 38.2843, 79.0206)
Luminance0.3829 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57AFE4 #E48C57
analogous
#57E4D3 #57AFE4 #5769E4
triadic
#57AFE4 #E457AF #AFE457
tetradic
#57AFE4 #D357E4 #E48C57 #69E457
square
#57AFE4 #D357E4 #E48C57 #69E457
split-complementary
#57AFE4 #E45769 #E4D357
monochromatic
#1B72A6 #2396DB #57AFE4 #8CC8EC #C0E1F5

Accessibility & contrast

On white

2.43
#57AFE4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.66
#57AFE4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AFE4
8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57AFE4#FFFFFF#000000##000000
##57AFE41.002.438.668.66
#FFFFFF2.431.0021.0021.00
#0000008.6621.001.001.00
##0000008.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#96AEE6
Deuteranopia (green-blind)
#83A0E3
Tritanopia (blue-blind)
#00BDC1
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #57afe4;
/* rgb */ color: rgb(87, 175, 228);
/* oklch */ color: oklch(72.1% 0.115 237.7);
Tailwind
colors: {
  custom: {
    50: '#93c6ec',
    500: '#57afe4',
    950: '#000000',
  },
}
SCSS
$custom: #57afe4;
$custom-light: #93c6ec;
$custom-dark: #000000;
JSON
{
  "hex": "#57afe4",
  "rgb": {
    "r": 87,
    "g": 175,
    "b": 228
  },
  "hsl": {
    "h": 202.553,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.72129,
    "c": 0.1145,
    "h": 237.7
  },
  "luminance": 0.38288
}

Semantic roles & 50–950 ramp

primary
#57AFE4
secondary
#E6C5B1
accent
#5B11D4
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #57AFE4

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

Preview Lab → · Contrast checker → · Palette generator →

#57AFE4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva