#57D9F5#57D9F5

#57D9F5 is a very light, moderate cyan. Relative luminance 0.582; OKLCH L 82.4% C 0.119 H 214.6°. Best body text is #000000 at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#57D9F5
RGB	rgb(87, 217, 245)
HSL	hsl(191, 89%, 65%)
HSV	hsv(191, 64%, 96%)
CMYK	cmyk(64.5%, 11.4%, 0%, 3.9%)
CIE-LAB	lab(80.87, -27.23, -24.24)
CIE-LCH	lch(80.87, 36.45, 221.68°)
OKLab	oklab(82.44% -0.0978 -0.0674)
OKLCH	oklch(82.44% 0.119 214.6)
XYZ	xyz(45.2179, 58.2396, 95.2268)
Luminance	0.5825 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57D9F5 #F57357

analogous

#57F5C2 #57D9F5 #578AF5

triadic

#57D9F5 #F557D9 #D9F557

tetradic

#57D9F5 #C257F5 #F57357 #8AF557

square

#57D9F5 #C257F5 #F57357 #8AF557

split-complementary

#57D9F5 #F5578A #F5C257

monochromatic

#0CA5C6 #1DCCF2 #57D9F5 #91E6F8 #CBF3FC

Accessibility & contrast

On white

1.66

#57D9F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.65

#57D9F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57D9F5

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57D9F5	#FFFFFF	#000000	##000000
##57D9F5	1.00	1.66	12.65	12.65
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.65	21.00	1.00	1.00
##000000	12.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5D2F7

Deuteranopia (green-blind)

#AEC2F5

Tritanopia (blue-blind)

#00E4E2

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #57d9f5;
/* rgb */ color: rgb(87, 217, 245);
/* oklch */ color: oklch(82.4% 0.119 214.6);

Tailwind

colors: {
  custom: {
    50: '#97e5f8',
    500: '#57d9f5',
    950: '#000000',
  },
}

SCSS

$custom: #57d9f5;
$custom-light: #97e5f8;
$custom-dark: #000000;

JSON

{
  "hex": "#57d9f5",
  "rgb": {
    "r": 87,
    "g": 217,
    "b": 245
  },
  "hsl": {
    "h": 190.633,
    "s": 88.764,
    "l": 65.098
  },
  "oklch": {
    "l": 0.82437,
    "c": 0.11879,
    "h": 214.6
  },
  "luminance": 0.58245
}

Semantic roles & 50–950 ramp

primary

#57D9F5

secondary

#C3482D

accent

#2900E5

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #57D9F5

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

Preview Lab → · Contrast checker → · Palette generator →