#57B4E8#57B4E8

#57B4E8 is a light, moderate cyan. Relative luminance 0.405; OKLCH L 73.4% C 0.116 H 235.9°. Best body text is #000000 at 9.10:1 contrast (WCAG AA passes).

Color values

HEX#57B4E8
RGBrgb(87, 180, 232)
HSLhsl(202, 76%, 63%)
HSVhsv(202, 63%, 91%)
CMYKcmyk(62.5%, 22.4%, 0%, 9%)
CIE-LABlab(69.82, -12.17, -34.23)
CIE-LCHlch(69.82, 36.33, 250.43°)
OKLaboklab(73.44% -0.065 -0.0959)
OKLCHoklch(73.44% 0.116 235.9)
XYZxyz(34.8116, 40.4914, 82.3093)
Luminance0.4049 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57B4E8 #E88B57
analogous
#57E8D3 #57B4E8 #576CE8
triadic
#57B4E8 #E857B4 #B4E857
tetradic
#57B4E8 #D357E8 #E88B57 #6CE857
square
#57B4E8 #D357E8 #E88B57 #6CE857
split-complementary
#57B4E8 #E8576C #E8D357
monochromatic
#1877AD #219CE1 #57B4E8 #8DCCEF #C3E4F7

Accessibility & contrast

On white

2.31
#57B4E8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.10
#57B4E8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B4E8
9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57B4E8#FFFFFF#000000##000000
##57B4E81.002.319.109.10
#FFFFFF2.311.0021.0021.00
#0000009.1021.001.001.00
##0000009.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#9BB3EA
Deuteranopia (green-blind)
#87A4E7
Tritanopia (blue-blind)
#00C2C5
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #57b4e8;
/* rgb */ color: rgb(87, 180, 232);
/* oklch */ color: oklch(73.4% 0.116 235.9);
Tailwind
colors: {
  custom: {
    50: '#93caef',
    500: '#57b4e8',
    950: '#000000',
  },
}
SCSS
$custom: #57b4e8;
$custom-light: #93caef;
$custom-dark: #000000;
JSON
{
  "hex": "#57b4e8",
  "rgb": {
    "r": 87,
    "g": 180,
    "b": 232
  },
  "hsl": {
    "h": 201.517,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.73443,
    "c": 0.11591,
    "h": 235.9
  },
  "luminance": 0.40495
}

Semantic roles & 50–950 ramp

primary
#57B4E8
secondary
#E8C6B3
accent
#560DD8
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #57B4E8

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

Preview Lab → · Contrast checker → · Palette generator →

#57B4E8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva