#57D2EE#57D2EE

#57D2EE is a light, moderate cyan. Relative luminance 0.543; OKLCH L 80.6% C 0.115 H 215.4°. Best body text is #000000 at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#57D2EE
RGB	rgb(87, 210, 238)
HSL	hsl(191, 82%, 64%)
HSV	hsv(191, 63%, 93%)
CMYK	cmyk(63.4%, 11.8%, 0%, 6.7%)
CIE-LAB	lab(78.63, -25.83, -23.93)
CIE-LCH	lch(78.63, 35.21, 222.81°)
OKLab	oklab(80.56% -0.0935 -0.0665)
OKLCH	oklch(80.56% 0.115 215.4)
XYZ	xyz(42.4033, 54.2879, 89.1162)
Luminance	0.5429 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57D2EE #EE7357

analogous

#57EEBE #57D2EE #5786EE

triadic

#57D2EE #EE57D2 #D2EE57

tetradic

#57D2EE #BE57EE #EE7357 #86EE57

square

#57D2EE #BE57EE #EE7357 #86EE57

split-complementary

#57D2EE #EE5786 #EEBE57

monochromatic

#1399B8 #1FC3E8 #57D2EE #8FE1F4 #C6F0F9

Accessibility & contrast

On white

1.77

#57D2EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.86

#57D2EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57D2EE

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57D2EE	#FFFFFF	#000000	##000000
##57D2EE	1.00	1.77	11.86	11.86
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.86	21.00	1.00	1.00
##000000	11.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BECCF0

Deuteranopia (green-blind)

#A9BCEE

Tritanopia (blue-blind)

#00DCDB

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #57d2ee;
/* rgb */ color: rgb(87, 210, 238);
/* oklch */ color: oklch(80.6% 0.115 215.4);

Tailwind

colors: {
  custom: {
    50: '#96e0f3',
    500: '#57d2ee',
    950: '#000000',
  },
}

SCSS

$custom: #57d2ee;
$custom-light: #96e0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#57d2ee",
  "rgb": {
    "r": 87,
    "g": 210,
    "b": 238
  },
  "hsl": {
    "h": 191.126,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.80556,
    "c": 0.11473,
    "h": 215.4
  },
  "luminance": 0.54292
}

Semantic roles & 50–950 ramp

primary

#57D2EE

secondary

#B74B32

accent

#2F08DE

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #57D2EE

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

Preview Lab → · Contrast checker → · Palette generator →