#57A1DD#57A1DD

#57A1DD is a light, moderate cyan. Relative luminance 0.327; OKLCH L 68.6% C 0.116 H 245.1°. Best body text is #000000 at 7.55:1 contrast (WCAG AA passes).

Color values

HEX#57A1DD
RGBrgb(87, 161, 221)
HSLhsl(207, 66%, 60%)
HSVhsv(207, 61%, 87%)
CMYKcmyk(60.6%, 27.1%, 0%, 13.3%)
CIE-LABlab(63.94, -5.21, -37.33)
CIE-LCHlch(63.94, 37.69, 262.05°)
OKLaboklab(68.64% -0.0487 -0.105)
OKLCHoklch(68.64% 0.116 245.1)
XYZxyz(29.7217, 32.7336, 73.1445)
Luminance0.3274 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A1DD #DD9357
analogous
#57DDD6 #57A1DD #575EDD
triadic
#57A1DD #DD57A1 #A1DD57
tetradic
#57A1DD #D657DD #DD9357 #5EDD57
square
#57A1DD #D657DD #DD9357 #5EDD57
split-complementary
#57A1DD #DD575E #DDD657
monochromatic
#1F639A #2A84CD #57A1DD #8ABDE7 #BDDAF2

Accessibility & contrast

On white

2.78
#57A1DD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.55
#57A1DD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A1DD
7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A1DD#FFFFFF#000000##000000
##57A1DD1.002.787.557.55
#FFFFFF2.781.0021.0021.00
#0000007.5521.001.001.00
##0000007.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#87A2E0
Deuteranopia (green-blind)
#7595DC
Tritanopia (blue-blind)
#00AFB6
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #57a1dd;
/* rgb */ color: rgb(87, 161, 221);
/* oklch */ color: oklch(68.6% 0.116 245.1);
Tailwind
colors: {
  custom: {
    50: '#91bce8',
    500: '#57a1dd',
    950: '#000000',
  },
}
SCSS
$custom: #57a1dd;
$custom-light: #91bce8;
$custom-dark: #000000;
JSON
{
  "hex": "#57a1dd",
  "rgb": {
    "r": 87,
    "g": 161,
    "b": 221
  },
  "hsl": {
    "h": 206.866,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.68641,
    "c": 0.11576,
    "h": 245.1
  },
  "luminance": 0.32736
}

Semantic roles & 50–950 ramp

primary
#57A1DD
secondary
#E1C5AE
accent
#6917CE
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #57A1DD

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

Preview Lab → · Contrast checker → · Palette generator →

#57A1DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva