#57B6E8#57B6E8

#57B6E8 is a light, moderate cyan. Relative luminance 0.413; OKLCH L 73.9% C 0.115 H 234.3°. Best body text is #000000 at 9.26:1 contrast (WCAG AA passes).

Color values

HEX#57B6E8
RGBrgb(87, 182, 232)
HSLhsl(201, 76%, 63%)
HSVhsv(201, 63%, 91%)
CMYKcmyk(62.5%, 21.6%, 0%, 9%)
CIE-LABlab(70.39, -13.24, -33.34)
CIE-LCHlch(70.39, 35.88, 248.34°)
OKLaboklab(73.9% -0.0671 -0.0934)
OKLCHoklch(73.9% 0.115 234.3)
XYZxyz(35.2183, 41.3048, 82.4449)
Luminance0.4131 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57B6E8 #E88957
analogous
#57E8D2 #57B6E8 #576DE8
triadic
#57B6E8 #E857B6 #B6E857
tetradic
#57B6E8 #D257E8 #E88957 #6DE857
square
#57B6E8 #D257E8 #E88957 #6DE857
split-complementary
#57B6E8 #E8576D #E8D257
monochromatic
#1879AD #219FE1 #57B6E8 #8DCDEF #C3E5F7

Accessibility & contrast

On white

2.27
#57B6E8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.26
#57B6E8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B6E8
9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57B6E8#FFFFFF#000000##000000
##57B6E81.002.279.269.26
#FFFFFF2.271.0021.0021.00
#0000009.2621.001.001.00
##0000009.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#9EB4EA
Deuteranopia (green-blind)
#8AA6E7
Tritanopia (blue-blind)
#00C3C7
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #57b6e8;
/* rgb */ color: rgb(87, 182, 232);
/* oklch */ color: oklch(73.9% 0.115 234.3);
Tailwind
colors: {
  custom: {
    50: '#93cbef',
    500: '#57b6e8',
    950: '#000000',
  },
}
SCSS
$custom: #57b6e8;
$custom-light: #93cbef;
$custom-dark: #000000;
JSON
{
  "hex": "#57b6e8",
  "rgb": {
    "r": 87,
    "g": 182,
    "b": 232
  },
  "hsl": {
    "h": 200.69,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.73897,
    "c": 0.115,
    "h": 234.3
  },
  "luminance": 0.41308
}

Semantic roles & 50–950 ramp

primary
#57B6E8
secondary
#E8C5B3
accent
#530DD8
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #57B6E8

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

Preview Lab → · Contrast checker → · Palette generator →

#57B6E8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva