#57C6EF#57C6EF

#57C6EF is a light, moderate cyan. Relative luminance 0.486; OKLCH L 77.8% C 0.116 H 225.7°. Best body text is #000000 at 10.73:1 contrast (WCAG AA passes).

Color values

HEX#57C6EF
RGBrgb(87, 198, 239)
HSLhsl(196, 83%, 64%)
HSVhsv(196, 64%, 94%)
CMYKcmyk(63.6%, 17.2%, 0%, 6.3%)
CIE-LABlab(75.23, -19.48, -29.67)
CIE-LCHlch(75.23, 35.49, 236.72°)
OKLaboklab(77.84% -0.081 -0.0828)
OKLCHoklch(77.84% 0.116 225.7)
XYZxyz(39.6983, 48.6422, 88.9414)
Luminance0.4865 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57C6EF #EF8057
analogous
#57EFCC #57C6EF #577AEF
triadic
#57C6EF #EF57C6 #C6EF57
tetradic
#57C6EF #CC57EF #EF8057 #7AEF57
square
#57C6EF #CC57EF #EF8057 #7AEF57
split-complementary
#57C6EF #EF577A #EFCC57
monochromatic
#128DBA #1FB3EA #57C6EF #8FD9F4 #C7ECFA

Accessibility & contrast

On white

1.96
#57C6EF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.73
#57C6EF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C6EF
10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57C6EF#FFFFFF#000000##000000
##57C6EF1.001.9610.7310.73
#FFFFFF1.961.0021.0021.00
#00000010.7321.001.001.00
##00000010.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#B0C2F1
Deuteranopia (green-blind)
#9AB2EF
Tritanopia (blue-blind)
#00D2D3
Achromatopsia (no color)
#B9B9B9

Design tokens & code

CSS
--color: #57c6ef;
/* rgb */ color: rgb(87, 198, 239);
/* oklch */ color: oklch(77.8% 0.116 225.7);
Tailwind
colors: {
  custom: {
    50: '#95d7f4',
    500: '#57c6ef',
    950: '#000000',
  },
}
SCSS
$custom: #57c6ef;
$custom-light: #95d7f4;
$custom-dark: #000000;
JSON
{
  "hex": "#57c6ef",
  "rgb": {
    "r": 87,
    "g": 198,
    "b": 239
  },
  "hsl": {
    "h": 196.184,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.77843,
    "c": 0.11583,
    "h": 225.7
  },
  "luminance": 0.48646
}

Semantic roles & 50–950 ramp

primary
#57C6EF
secondary
#ECC5B6
accent
#4106DF
background
#F9FDFE
surface
#F2FAFD
border
#CCD3D5
text
#0F1417
muted
#7E8385

Preview Lab

Preview with #57C6EF

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

Preview Lab → · Contrast checker → · Palette generator →

#57C6EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva