#57C0E9#57C0E9

#57C0E9 is a light, moderate cyan. Relative luminance 0.456; OKLCH L 76.2% C 0.113 H 226.8°. Best body text is #000000 at 10.12:1 contrast (WCAG AA passes).

Color values

HEX#57C0E9
RGBrgb(87, 192, 233)
HSLhsl(197, 77%, 63%)
HSVhsv(197, 63%, 91%)
CMYKcmyk(62.7%, 17.6%, 0%, 8.6%)
CIE-LABlab(73.29, -18.20, -29.41)
CIE-LCHlch(73.29, 34.59, 238.25°)
OKLaboklab(76.22% -0.077 -0.0821)
OKLCHoklch(76.22% 0.113 226.8)
XYZxyz(37.4823, 45.6048, 83.9023)
Luminance0.4561 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57C0E9 #E98057
analogous
#57E9C9 #57C0E9 #5777E9
triadic
#57C0E9 #E957C0 #C0E957
tetradic
#57C0E9 #C957E9 #E98057 #77E957
square
#57C0E9 #C957E9 #E98057 #77E957
split-complementary
#57C0E9 #E95777 #E9C957
monochromatic
#1784AF #21ACE2 #57C0E9 #8DD4F0 #C3E9F7

Accessibility & contrast

On white

2.07
#57C0E9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.12
#57C0E9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C0E9
10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57C0E9#FFFFFF#000000##000000
##57C0E91.002.0710.1210.12
#FFFFFF2.071.0021.0021.00
#00000010.1221.001.001.00
##00000010.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#AABDEB
Deuteranopia (green-blind)
#96ADE9
Tritanopia (blue-blind)
#00CCCD
Achromatopsia (no color)
#B4B4B4

Design tokens & code

CSS
--color: #57c0e9;
/* rgb */ color: rgb(87, 192, 233);
/* oklch */ color: oklch(76.2% 0.113 226.8);
Tailwind
colors: {
  custom: {
    50: '#94d3f0',
    500: '#57c0e9',
    950: '#000000',
  },
}
SCSS
$custom: #57c0e9;
$custom-light: #94d3f0;
$custom-dark: #000000;
JSON
{
  "hex": "#57c0e9",
  "rgb": {
    "r": 87,
    "g": 192,
    "b": 233
  },
  "hsl": {
    "h": 196.849,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.7622,
    "c": 0.11259,
    "h": 226.8
  },
  "luminance": 0.45609
}

Semantic roles & 50–950 ramp

primary
#57C0E9
secondary
#E8C2B3
accent
#460CD9
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0E1416
muted
#7E8284

Preview Lab

Preview with #57C0E9

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

Preview Lab → · Contrast checker → · Palette generator →

#57C0E9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva