#57D1EA#57D1EA

#57D1EA is a light, moderate cyan. Relative luminance 0.536; OKLCH L 80.2% C 0.113 H 213.5°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#57D1EA
RGB	rgb(87, 209, 234)
HSL	hsl(190, 78%, 63%)
HSV	hsv(190, 63%, 92%)
CMYK	cmyk(62.8%, 10.7%, 0%, 8.2%)
CIE-LAB	lab(78.21, -26.51, -22.43)
CIE-LCH	lch(78.21, 34.73, 220.24°)
OKLab	oklab(80.17% -0.094 -0.0623)
OKLCH	oklch(80.17% 0.113 213.5)
XYZ	xyz(41.5761, 53.5633, 85.9736)
Luminance	0.5357 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57D1EA #EA7057

analogous

#57EAB9 #57D1EA #5787EA

triadic

#57D1EA #EA57D1 #D1EA57

tetradic

#57D1EA #B957EA #EA7057 #87EA57

square

#57D1EA #B957EA #EA7057 #87EA57

split-complementary

#57D1EA #EA5787 #EAB957

monochromatic

#1696B1 #21C2E3 #57D1EA #8DE0F1 #C4EFF8

Accessibility & contrast

On white

1.79

#57D1EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.71

#57D1EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57D1EA

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57D1EA	#FFFFFF	#000000	##000000
##57D1EA	1.00	1.79	11.71	11.71
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.71	21.00	1.00	1.00
##000000	11.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BECAEB

Deuteranopia (green-blind)

#A9BBEA

Tritanopia (blue-blind)

#00DBD9

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #57d1ea;
/* rgb */ color: rgb(87, 209, 234);
/* oklch */ color: oklch(80.2% 0.113 213.5);

Tailwind

colors: {
  custom: {
    50: '#95dff0',
    500: '#57d1ea',
    950: '#000000',
  },
}

SCSS

$custom: #57d1ea;
$custom-light: #95dff0;
$custom-dark: #000000;

JSON

{
  "hex": "#57d1ea",
  "rgb": {
    "r": 87,
    "g": 209,
    "b": 234
  },
  "hsl": {
    "h": 190.204,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.80171,
    "c": 0.11278,
    "h": 213.5
  },
  "luminance": 0.53568
}

Semantic roles & 50–950 ramp

primary

#57D1EA

secondary

#B14934

accent

#2F0BDA

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #57D1EA

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

Preview Lab → · Contrast checker → · Palette generator →