#57D1EB#57D1EB

#57D1EB is a light, moderate cyan. Relative luminance 0.536; OKLCH L 80.2% C 0.113 H 214.2°. Best body text is #000000 at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#57D1EB
RGB	rgb(87, 209, 235)
HSL	hsl(191, 79%, 63%)
HSV	hsv(191, 63%, 92%)
CMYK	cmyk(63%, 11.1%, 0%, 7.8%)
CIE-LAB	lab(78.24, -26.22, -22.91)
CIE-LCH	lch(78.24, 34.82, 221.15°)
OKLab	oklab(80.21% -0.0936 -0.0637)
OKLCH	oklch(80.21% 0.113 214.2)
XYZ	xyz(41.7202, 53.6209, 86.7323)
Luminance	0.5363 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57D1EB #EB7157

analogous

#57EBBB #57D1EB #5787EB

triadic

#57D1EB #EB57D1 #D1EB57

tetradic

#57D1EB #BB57EB #EB7157 #87EB57

square

#57D1EB #BB57EB #EB7157 #87EB57

split-complementary

#57D1EB #EB5787 #EBBB57

monochromatic

#1597B2 #20C2E4 #57D1EB #8EE0F2 #C4EFF8

Accessibility & contrast

On white

1.79

#57D1EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.73

#57D1EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57D1EB

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57D1EB	#FFFFFF	#000000	##000000
##57D1EB	1.00	1.79	11.73	11.73
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.73	21.00	1.00	1.00
##000000	11.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BECBED

Deuteranopia (green-blind)

#A9BBEB

Tritanopia (blue-blind)

#00DBD9

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #57d1eb;
/* rgb */ color: rgb(87, 209, 235);
/* oklch */ color: oklch(80.2% 0.113 214.2);

Tailwind

colors: {
  custom: {
    50: '#95dff1',
    500: '#57d1eb',
    950: '#000000',
  },
}

SCSS

$custom: #57d1eb;
$custom-light: #95dff1;
$custom-dark: #000000;

JSON

{
  "hex": "#57d1eb",
  "rgb": {
    "r": 87,
    "g": 209,
    "b": 235
  },
  "hsl": {
    "h": 190.541,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.8021,
    "c": 0.11322,
    "h": 214.2
  },
  "luminance": 0.53625
}

Semantic roles & 50–950 ramp

primary

#57D1EB

secondary

#B34A34

accent

#2F0ADB

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #57D1EB

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

Preview Lab → · Contrast checker → · Palette generator →