#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
RGB	rgb(87, 161, 221)
HSL	hsl(207, 66%, 60%)
HSV	hsv(207, 61%, 87%)
CMYK	cmyk(60.6%, 27.1%, 0%, 13.3%)
CIE-LAB	lab(63.94, -5.21, -37.33)
CIE-LCH	lch(63.94, 37.69, 262.05°)
OKLab	oklab(68.64% -0.0487 -0.105)
OKLCH	oklch(68.64% 0.116 245.1)
XYZ	xyz(29.7217, 32.7336, 73.1445)
Luminance	0.3274 (WCAG relative)
Temperature	cool
Family	cyan

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
##57A1DD	1.00	2.78	7.55	7.55
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.55	21.00	1.00	1.00
##000000	7.55	21.00	1.00	1.00

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 →