#57B0DD#57B0DD

#57B0DD is a light, moderate cyan. Relative luminance 0.383; OKLCH L 72.0% C 0.107 H 233.0°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#57B0DD
RGB	rgb(87, 176, 221)
HSL	hsl(200, 66%, 60%)
HSV	hsv(200, 61%, 87%)
CMYK	cmyk(60.6%, 20.4%, 0%, 13.3%)
CIE-LAB	lab(68.24, -13.45, -30.66)
CIE-LCH	lch(68.24, 33.48, 246.32°)
OKLab	oklab(72.04% -0.0646 -0.0857)
OKLCH	oklch(72.04% 0.107 233)
XYZ	xyz(32.5019, 38.2942, 74.0713)
Luminance	0.3830 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B0DD #DD8457

analogous

#57DDC7 #57B0DD #576DDD

triadic

#57B0DD #DD57B0 #B0DD57

tetradic

#57B0DD #C757DD #DD8457 #6DDD57

square

#57B0DD #C757DD #DD8457 #6DDD57

split-complementary

#57B0DD #DD576D #DDC757

monochromatic

#1F719A #2A96CD #57B0DD #8AC8E7 #BDE0F2

Accessibility & contrast

On white

2.43

#57B0DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.66

#57B0DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B0DD

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B0DD	#FFFFFF	#000000	##000000
##57B0DD	1.00	2.43	8.66	8.66
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.66	21.00	1.00	1.00
##000000	8.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AAEDF

Deuteranopia (green-blind)

#87A0DC

Tritanopia (blue-blind)

#00BCBF

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #57b0dd;
/* rgb */ color: rgb(87, 176, 221);
/* oklch */ color: oklch(72.0% 0.107 233.0);

Tailwind

colors: {
  custom: {
    50: '#92c7e7',
    500: '#57b0dd',
    950: '#000000',
  },
}

SCSS

$custom: #57b0dd;
$custom-light: #92c7e7;
$custom-dark: #000000;

JSON

{
  "hex": "#57b0dd",
  "rgb": {
    "r": 87,
    "g": 176,
    "b": 221
  },
  "hsl": {
    "h": 200.149,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.72042,
    "c": 0.10736,
    "h": 233
  },
  "luminance": 0.38297
}

Semantic roles & 50–950 ramp

primary

#57B0DD

secondary

#E1BFAE

accent

#5517CE

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B0DD

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

Preview Lab → · Contrast checker → · Palette generator →