#57D9FD#57D9FD

#57D9FD is a very light, vivid cyan. Relative luminance 0.587; OKLCH L 82.8% C 0.123 H 219.5°. Best body text is #000000 at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#57D9FD
RGB	rgb(87, 217, 253)
HSL	hsl(193, 98%, 67%)
HSV	hsv(193, 66%, 99%)
CMYK	cmyk(65.6%, 14.2%, 0%, 0.8%)
CIE-LAB	lab(81.15, -24.86, -28.07)
CIE-LCH	lch(81.15, 37.49, 228.47°)
OKLab	oklab(82.75% -0.0948 -0.0782)
OKLCH	oklch(82.75% 0.123 219.5)
XYZ	xyz(46.4657, 58.7387, 101.7983)
Luminance	0.5874 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57D9FD #FD7B57

analogous

#57FDCE #57D9FD #5786FD

triadic

#57D9FD #FD57D9 #D9FD57

tetradic

#57D9FD #CE57FD #FD7B57 #86FD57

square

#57D9FD #CE57FD #FD7B57 #86FD57

split-complementary

#57D9FD #FD5786 #FDCE57

monochromatic

#03A9D7 #1BCBFC #57D9FD #93E7FE #D0F4FE

Accessibility & contrast

On white

1.65

#57D9FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.75

#57D9FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57D9FD

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57D9FD	#FFFFFF	#000000	##000000
##57D9FD	1.00	1.65	12.75	12.75
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.75	21.00	1.00	1.00
##000000	12.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3D3FF

Deuteranopia (green-blind)

#ABC2FD

Tritanopia (blue-blind)

#00E5E4

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #57d9fd;
/* rgb */ color: rgb(87, 217, 253);
/* oklch */ color: oklch(82.8% 0.123 219.5);

Tailwind

colors: {
  custom: {
    50: '#98e5fe',
    500: '#57d9fd',
    950: '#000000',
  },
}

SCSS

$custom: #57d9fd;
$custom-light: #98e5fe;
$custom-dark: #000000;

JSON

{
  "hex": "#57d9fd",
  "rgb": {
    "r": 87,
    "g": 217,
    "b": 253
  },
  "hsl": {
    "h": 193.012,
    "s": 97.647,
    "l": 66.667
  },
  "oklch": {
    "l": 0.8275,
    "c": 0.1229,
    "h": 219.5
  },
  "luminance": 0.58744
}

Semantic roles & 50–950 ramp

primary

#57D9FD

secondary

#D14C27

accent

#3200E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #57D9FD

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

Preview Lab → · Contrast checker → · Palette generator →