#57CEFF#57CEFF

#57CEFF is a light, vivid cyan. Relative luminance 0.534; OKLCH L 80.3% C 0.126 H 228.7°. Best body text is #000000 at 11.68:1 contrast (WCAG AA passes).

Color values

HEX#57CEFF
RGBrgb(87, 206, 255)
HSLhsl(198, 100%, 67%)
HSVhsv(198, 66%, 100%)
CMYKcmyk(65.9%, 19.2%, 0%, 0%)
CIE-LABlab(78.10, -18.69, -33.81)
CIE-LCHlch(78.10, 38.64, 241.07°)
OKLaboklab(80.34% -0.0833 -0.0946)
OKLCHoklch(80.34% 0.126 228.7)
XYZxyz(44.0446, 53.3841, 102.5713)
Luminance0.5339 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57CEFF #FF8857
analogous
#57FFDC #57CEFF #577AFF
triadic
#57CEFF #FF57CE #CEFF57
tetradic
#57CEFF #DC57FF #FF8857 #7AFF57
square
#57CEFF #DC57FF #FF8857 #7AFF57
split-complementary
#57CEFF #FF577A #FFDC57
monochromatic
#009CDC #1ABCFF #57CEFF #94E0FF #D1F2FF

Accessibility & contrast

On white

1.80
#57CEFF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.68
#57CEFF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57CEFF
11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57CEFF#FFFFFF#000000##000000
##57CEFF1.001.8011.6811.68
#FFFFFF1.801.0021.0021.00
#00000011.6821.001.001.00
##00000011.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#B5CBFF
Deuteranopia (green-blind)
#9DBAFE
Tritanopia (blue-blind)
#00DCDE
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #57ceff;
/* rgb */ color: rgb(87, 206, 255);
/* oklch */ color: oklch(80.3% 0.126 228.7);
Tailwind
colors: {
  custom: {
    50: '#97ddff',
    500: '#57ceff',
    950: '#000000',
  },
}
SCSS
$custom: #57ceff;
$custom-light: #97ddff;
$custom-dark: #000000;
JSON
{
  "hex": "#57ceff",
  "rgb": {
    "r": 87,
    "g": 206,
    "b": 255
  },
  "hsl": {
    "h": 197.5,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.80336,
    "c": 0.12606,
    "h": 228.7
  },
  "luminance": 0.53389
}

Semantic roles & 50–950 ramp

primary
#57CEFF
secondary
#D55926
accent
#4300E6
background
#FCFEFF
surface
#F5FCFF
border
#CFD5D7
text
#0F1518
muted
#808486

Preview Lab

Preview with #57CEFF

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

Preview Lab → · Contrast checker → · Palette generator →

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