#57D1EE#57D1EE

#57D1EE is a light, moderate cyan. Relative luminance 0.538; OKLCH L 80.3% C 0.115 H 216.2°. Best body text is #000000 at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#57D1EE
RGB	rgb(87, 209, 238)
HSL	hsl(192, 82%, 64%)
HSV	hsv(192, 63%, 93%)
CMYK	cmyk(63.4%, 12.2%, 0%, 6.7%)
CIE-LAB	lab(78.34, -25.34, -24.36)
CIE-LCH	lch(78.34, 35.15, 223.88°)
OKLab	oklab(80.33% -0.0925 -0.0678)
OKLCH	oklch(80.33% 0.115 216.2)
XYZ	xyz(42.1572, 53.7957, 89.0342)
Luminance	0.5380 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57D1EE #EE7457

analogous

#57EEBF #57D1EE #5785EE

triadic

#57D1EE #EE57D1 #D1EE57

tetradic

#57D1EE #BF57EE #EE7457 #85EE57

square

#57D1EE #BF57EE #EE7457 #85EE57

split-complementary

#57D1EE #EE5785 #EEBF57

monochromatic

#1398B8 #1FC2E8 #57D1EE #8FE0F4 #C6EFF9

Accessibility & contrast

On white

1.79

#57D1EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.76

#57D1EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57D1EE

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57D1EE	#FFFFFF	#000000	##000000
##57D1EE	1.00	1.79	11.76	11.76
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.76	21.00	1.00	1.00
##000000	11.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDCBF0

Deuteranopia (green-blind)

#A7BBEE

Tritanopia (blue-blind)

#00DCDA

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #57d1ee;
/* rgb */ color: rgb(87, 209, 238);
/* oklch */ color: oklch(80.3% 0.115 216.2);

Tailwind

colors: {
  custom: {
    50: '#96dff3',
    500: '#57d1ee',
    950: '#000000',
  },
}

SCSS

$custom: #57d1ee;
$custom-light: #96dff3;
$custom-dark: #000000;

JSON

{
  "hex": "#57d1ee",
  "rgb": {
    "r": 87,
    "g": 209,
    "b": 238
  },
  "hsl": {
    "h": 191.523,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.80326,
    "c": 0.11464,
    "h": 216.2
  },
  "luminance": 0.538
}

Semantic roles & 50–950 ramp

primary

#57D1EE

secondary

#B74C32

accent

#3108DE

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #57D1EE

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

Preview Lab → · Contrast checker → · Palette generator →