#57B3DD#57B3DD

#57B3DD is a light, moderate cyan. Relative luminance 0.395; OKLCH L 72.7% C 0.106 H 230.4°. Best body text is #000000 at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#57B3DD
RGB	rgb(87, 179, 221)
HSL	hsl(199, 66%, 60%)
HSV	hsv(199, 61%, 87%)
CMYK	cmyk(60.6%, 19%, 0%, 13.3%)
CIE-LAB	lab(69.10, -15.05, -29.33)
CIE-LCH	lch(69.10, 32.96, 242.84°)
OKLab	oklab(72.73% -0.0678 -0.0819)
OKLCH	oklch(72.73% 0.106 230.4)
XYZ	xyz(33.0967, 39.4836, 74.2695)
Luminance	0.3949 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B3DD #DD8157

analogous

#57DDC4 #57B3DD #5770DD

triadic

#57B3DD #DD57B3 #B3DD57

tetradic

#57B3DD #C457DD #DD8157 #70DD57

square

#57B3DD #C457DD #DD8157 #70DD57

split-complementary

#57B3DD #DD5770 #DDC457

monochromatic

#1F749A #2A9ACD #57B3DD #8ACAE7 #BDE1F2

Accessibility & contrast

On white

2.36

#57B3DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.90

#57B3DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B3DD

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B3DD	#FFFFFF	#000000	##000000
##57B3DD	1.00	2.36	8.90	8.90
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.90	21.00	1.00	1.00
##000000	8.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB1DF

Deuteranopia (green-blind)

#8BA3DC

Tritanopia (blue-blind)

#00BFC1

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #57b3dd;
/* rgb */ color: rgb(87, 179, 221);
/* oklch */ color: oklch(72.7% 0.106 230.4);

Tailwind

colors: {
  custom: {
    50: '#92c9e7',
    500: '#57b3dd',
    950: '#000000',
  },
}

SCSS

$custom: #57b3dd;
$custom-light: #92c9e7;
$custom-dark: #000000;

JSON

{
  "hex": "#57b3dd",
  "rgb": {
    "r": 87,
    "g": 179,
    "b": 221
  },
  "hsl": {
    "h": 198.806,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.72729,
    "c": 0.10633,
    "h": 230.4
  },
  "luminance": 0.39487
}

Semantic roles & 50–950 ramp

primary

#57B3DD

secondary

#E1BEAE

accent

#5117CE

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B3DD

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

Preview Lab → · Contrast checker → · Palette generator →