#57D3EE#57D3EE

#57D3EE is a light, moderate cyan. Relative luminance 0.548; OKLCH L 80.8% C 0.115 H 214.6°. Best body text is #000000 at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#57D3EE
RGB	rgb(87, 211, 238)
HSL	hsl(191, 82%, 64%)
HSV	hsv(191, 63%, 93%)
CMYK	cmyk(63.4%, 11.3%, 0%, 6.7%)
CIE-LAB	lab(78.92, -26.33, -23.49)
CIE-LCH	lch(78.92, 35.28, 221.74°)
OKLab	oklab(80.79% -0.0945 -0.0653)
OKLCH	oklch(80.79% 0.115 214.6)
XYZ	xyz(42.6510, 54.7833, 89.1988)
Luminance	0.5479 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57D3EE #EE7257

analogous

#57EEBD #57D3EE #5787EE

triadic

#57D3EE #EE57D3 #D3EE57

tetradic

#57D3EE #BD57EE #EE7257 #87EE57

square

#57D3EE #BD57EE #EE7257 #87EE57

split-complementary

#57D3EE #EE5787 #EEBD57

monochromatic

#139AB8 #1FC4E8 #57D3EE #8FE2F4 #C6F0F9

Accessibility & contrast

On white

1.76

#57D3EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.96

#57D3EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57D3EE

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57D3EE	#FFFFFF	#000000	##000000
##57D3EE	1.00	1.76	11.96	11.96
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.96	21.00	1.00	1.00
##000000	11.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0CDF0

Deuteranopia (green-blind)

#AABCEE

Tritanopia (blue-blind)

#00DDDB

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #57d3ee;
/* rgb */ color: rgb(87, 211, 238);
/* oklch */ color: oklch(80.8% 0.115 214.6);

Tailwind

colors: {
  custom: {
    50: '#96e0f3',
    500: '#57d3ee',
    950: '#000000',
  },
}

SCSS

$custom: #57d3ee;
$custom-light: #96e0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#57d3ee",
  "rgb": {
    "r": 87,
    "g": 211,
    "b": 238
  },
  "hsl": {
    "h": 190.728,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.80787,
    "c": 0.11485,
    "h": 214.6
  },
  "luminance": 0.54788
}

Semantic roles & 50–950 ramp

primary

#57D3EE

secondary

#B74A32

accent

#2E08DE

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #57D3EE

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

Preview Lab → · Contrast checker → · Palette generator →