#57D1EE#57D1EE

#57D1EE is a light, moderate cyan. Relative luminance 0.538; OKLCH L 80.3% C 0.115 H 216.2°. Best body text is #000000 at 11.76:1 contrast (WCAG AA passes).

Color values

HEX#57D1EE
RGBrgb(87, 209, 238)
HSLhsl(192, 82%, 64%)
HSVhsv(192, 63%, 93%)
CMYKcmyk(63.4%, 12.2%, 0%, 6.7%)
CIE-LABlab(78.34, -25.34, -24.36)
CIE-LCHlch(78.34, 35.15, 223.88°)
OKLaboklab(80.33% -0.0925 -0.0678)
OKLCHoklch(80.33% 0.115 216.2)
XYZxyz(42.1572, 53.7957, 89.0342)
Luminance0.5380 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57D1EE #EE7457
analogous
#57EEBF #57D1EE #5785EE
triadic
#57D1EE #EE57D1 #D1EE57
tetradic
#57D1EE #BF57EE #EE7457 #85EE57
square
#57D1EE #BF57EE #EE7457 #85EE57
split-complementary
#57D1EE #EE5785 #EEBF57
monochromatic
#1398B8 #1FC2E8 #57D1EE #8FE0F4 #C6EFF9

Accessibility & contrast

On white

1.79
#57D1EE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.76
#57D1EE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57D1EE
11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57D1EE#FFFFFF#000000##000000
##57D1EE1.001.7911.7611.76
#FFFFFF1.791.0021.0021.00
#00000011.7621.001.001.00
##00000011.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#BDCBF0
Deuteranopia (green-blind)
#A7BBEE
Tritanopia (blue-blind)
#00DCDA
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #57d1ee;
/* rgb */ color: rgb(87, 209, 238);
/* oklch */ color: oklch(80.3% 0.115 216.2);
Tailwind
colors: {
  custom: {
    50: '#96dff3',
    500: '#57d1ee',
    950: '#000000',
  },
}
SCSS
$custom: #57d1ee;
$custom-light: #96dff3;
$custom-dark: #000000;
JSON
{
  "hex": "#57d1ee",
  "rgb": {
    "r": 87,
    "g": 209,
    "b": 238
  },
  "hsl": {
    "h": 191.523,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.80326,
    "c": 0.11464,
    "h": 216.2
  },
  "luminance": 0.538
}

Semantic roles & 50–950 ramp

primary
#57D1EE
secondary
#B74C32
accent
#3108DE
background
#FCFEFF
surface
#F5FCFE
border
#CFD5D6
text
#0F1517
muted
#808485

Preview Lab

Preview with #57D1EE

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

Preview Lab → · Contrast checker → · Palette generator →

#57D1EE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva