#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
RGB	rgb(87, 178, 221)
HSL	hsl(199, 66%, 60%)
HSV	hsv(199, 61%, 87%)
CMYK	cmyk(60.6%, 19.5%, 0%, 13.3%)
CIE-LAB	lab(68.81, -14.51, -29.77)
CIE-LCH	lch(68.81, 33.12, 244.01°)
OKLab	oklab(72.5% -0.0667 -0.0832)
OKLCH	oklch(72.5% 0.107 231.3)
XYZ	xyz(32.8970, 39.0842, 74.2029)
Luminance	0.3909 (WCAG relative)
Temperature	cool
Family	cyan

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
##57B2DD	1.00	2.38	8.82	8.82
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.82	21.00	1.00	1.00
##000000	8.82	21.00	1.00	1.00

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 →