#57D1ED#57D1ED

#57D1ED is a light, moderate cyan. Relative luminance 0.537; OKLCH L 80.3% C 0.114 H 215.6°. Best body text is #000000 at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#57D1ED
RGB	rgb(87, 209, 237)
HSL	hsl(191, 81%, 64%)
HSV	hsv(191, 63%, 93%)
CMYK	cmyk(63.3%, 11.8%, 0%, 7.1%)
CIE-LAB	lab(78.31, -25.63, -23.88)
CIE-LCH	lch(78.31, 35.03, 222.98°)
OKLab	oklab(80.29% -0.0928 -0.0664)
OKLCH	oklch(80.29% 0.114 215.6)
XYZ	xyz(42.0107, 53.7371, 88.2626)
Luminance	0.5374 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57D1ED #ED7357

analogous

#57EDBE #57D1ED #5786ED

triadic

#57D1ED #ED57D1 #D1ED57

tetradic

#57D1ED #BE57ED #ED7357 #86ED57

square

#57D1ED #BE57ED #ED7357 #86ED57

split-complementary

#57D1ED #ED5786 #EDBE57

monochromatic

#1498B6 #20C2E7 #57D1ED #8EE0F3 #C6EFF9

Accessibility & contrast

On white

1.79

#57D1ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.75

#57D1ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57D1ED

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57D1ED	#FFFFFF	#000000	##000000
##57D1ED	1.00	1.79	11.75	11.75
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.75	21.00	1.00	1.00
##000000	11.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BECBEF

Deuteranopia (green-blind)

#A8BBED

Tritanopia (blue-blind)

#00DBDA

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #57d1ed;
/* rgb */ color: rgb(87, 209, 237);
/* oklch */ color: oklch(80.3% 0.114 215.6);

Tailwind

colors: {
  custom: {
    50: '#96dff2',
    500: '#57d1ed',
    950: '#000000',
  },
}

SCSS

$custom: #57d1ed;
$custom-light: #96dff2;
$custom-dark: #000000;

JSON

{
  "hex": "#57d1ed",
  "rgb": {
    "r": 87,
    "g": 209,
    "b": 237
  },
  "hsl": {
    "h": 191.2,
    "s": 80.645,
    "l": 63.529
  },
  "oklch": {
    "l": 0.80287,
    "c": 0.11414,
    "h": 215.6
  },
  "luminance": 0.53742
}

Semantic roles & 50–950 ramp

primary

#57D1ED

secondary

#B64B33

accent

#3009DD

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #57D1ED

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

Preview Lab → · Contrast checker → · Palette generator →