#57B2DD#57B2DD

#57B2DD is a light, moderate cyan. Relative luminance 0.391; OKLCH L 72.5% C 0.107 H 231.3°. Best body text is #000000 at 8.82:1 contrast (WCAG AA passes).

Color values

HEX#57B2DD
RGBrgb(87, 178, 221)
HSLhsl(199, 66%, 60%)
HSVhsv(199, 61%, 87%)
CMYKcmyk(60.6%, 19.5%, 0%, 13.3%)
CIE-LABlab(68.81, -14.51, -29.77)
CIE-LCHlch(68.81, 33.12, 244.01°)
OKLaboklab(72.5% -0.0667 -0.0832)
OKLCHoklch(72.5% 0.107 231.3)
XYZxyz(32.8970, 39.0842, 74.2029)
Luminance0.3909 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57B2DD #DD8257
analogous
#57DDC5 #57B2DD #576FDD
triadic
#57B2DD #DD57B2 #B2DD57
tetradic
#57B2DD #C557DD #DD8257 #6FDD57
square
#57B2DD #C557DD #DD8257 #6FDD57
split-complementary
#57B2DD #DD576F #DDC557
monochromatic
#1F739A #2A99CD #57B2DD #8AC9E7 #BDE1F2

Accessibility & contrast

On white

2.38
#57B2DD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.82
#57B2DD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B2DD
8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57B2DD#FFFFFF#000000##000000
##57B2DD1.002.388.828.82
#FFFFFF2.381.0021.0021.00
#0000008.8221.001.001.00
##0000008.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#9DB0DF
Deuteranopia (green-blind)
#8AA2DC
Tritanopia (blue-blind)
#00BEC0
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #57b2dd;
/* rgb */ color: rgb(87, 178, 221);
/* oklch */ color: oklch(72.5% 0.107 231.3);
Tailwind
colors: {
  custom: {
    50: '#92c9e7',
    500: '#57b2dd',
    950: '#000000',
  },
}
SCSS
$custom: #57b2dd;
$custom-light: #92c9e7;
$custom-dark: #000000;
JSON
{
  "hex": "#57b2dd",
  "rgb": {
    "r": 87,
    "g": 178,
    "b": 221
  },
  "hsl": {
    "h": 199.254,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.725,
    "c": 0.10665,
    "h": 231.3
  },
  "luminance": 0.39087
}

Semantic roles & 50–950 ramp

primary
#57B2DD
secondary
#E1BFAE
accent
#5217CE
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #57B2DD

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

Preview Lab → · Contrast checker → · Palette generator →

#57B2DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva