#57D0FB#57D0FB

#57D0FB is a light, vivid cyan. Relative luminance 0.541; OKLCH L 80.6% C 0.123 H 225.0°. Best body text is #000000 at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#57D0FB
RGB	rgb(87, 208, 251)
HSL	hsl(196, 95%, 66%)
HSV	hsv(196, 65%, 98%)
CMYK	cmyk(65.3%, 17.1%, 0%, 1.6%)
CIE-LAB	lab(78.52, -20.94, -31.04)
CIE-LCH	lch(78.52, 37.44, 236.00°)
OKLab	oklab(80.62% -0.0866 -0.0867)
OKLCH	oklch(80.62% 0.123 225)
XYZ	xyz(43.8919, 54.0983, 99.3769)
Luminance	0.5410 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57D0FB #FB8257

analogous

#57FBD4 #57D0FB #577EFB

triadic

#57D0FB #FB57D0 #D0FB57

tetradic

#57D0FB #D457FB #FB8257 #7EFB57

square

#57D0FB #D457FB #FB8257 #7EFB57

split-complementary

#57D0FB #FB577E #FBD457

monochromatic

#059DD3 #1BBFFA #57D0FB #93E1FC #CFF1FE

Accessibility & contrast

On white

1.78

#57D0FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.82

#57D0FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57D0FB

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57D0FB	#FFFFFF	#000000	##000000
##57D0FB	1.00	1.78	11.82	11.82
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.82	21.00	1.00	1.00
##000000	11.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8CCFD

Deuteranopia (green-blind)

#A1BBFB

Tritanopia (blue-blind)

#00DDDE

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #57d0fb;
/* rgb */ color: rgb(87, 208, 251);
/* oklch */ color: oklch(80.6% 0.123 225.0);

Tailwind

colors: {
  custom: {
    50: '#97defc',
    500: '#57d0fb',
    950: '#000000',
  },
}

SCSS

$custom: #57d0fb;
$custom-light: #97defc;
$custom-dark: #000000;

JSON

{
  "hex": "#57d0fb",
  "rgb": {
    "r": 87,
    "g": 208,
    "b": 251
  },
  "hsl": {
    "h": 195.732,
    "s": 95.349,
    "l": 66.275
  },
  "oklch": {
    "l": 0.8062,
    "c": 0.12258,
    "h": 225
  },
  "luminance": 0.54103
}

Semantic roles & 50–950 ramp

primary

#57D0FB

secondary

#CD5429

accent

#3C00E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #57D0FB

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

Preview Lab → · Contrast checker → · Palette generator →