#57D7FB#57D7FB

#57D7FB is a very light, vivid cyan. Relative luminance 0.576; OKLCH L 82.2% C 0.122 H 219.8°. Best body text is #000000 at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#57D7FB
RGB	rgb(87, 215, 251)
HSL	hsl(193, 95%, 66%)
HSV	hsv(193, 65%, 98%)
CMYK	cmyk(65.3%, 14.3%, 0%, 1.6%)
CIE-LAB	lab(80.51, -24.46, -27.98)
CIE-LCH	lch(80.51, 37.17, 228.85°)
OKLab	oklab(82.21% -0.0936 -0.078)
OKLCH	oklch(82.21% 0.122 219.8)
XYZ	xyz(45.6364, 57.5872, 99.9584)
Luminance	0.5759 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57D7FB #FB7B57

analogous

#57FBCD #57D7FB #5785FB

triadic

#57D7FB #FB57D7 #D7FB57

tetradic

#57D7FB #CD57FB #FB7B57 #85FB57

square

#57D7FB #CD57FB #FB7B57 #85FB57

split-complementary

#57D7FB #FB5785 #FBCD57

monochromatic

#05A5D3 #1BC9FA #57D7FB #93E5FC #CFF3FE

Accessibility & contrast

On white

1.68

#57D7FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.52

#57D7FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57D7FB

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57D7FB	#FFFFFF	#000000	##000000
##57D7FB	1.00	1.68	12.52	12.52
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.52	21.00	1.00	1.00
##000000	12.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1D1FD

Deuteranopia (green-blind)

#AAC0FB

Tritanopia (blue-blind)

#00E3E2

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #57d7fb;
/* rgb */ color: rgb(87, 215, 251);
/* oklch */ color: oklch(82.2% 0.122 219.8);

Tailwind

colors: {
  custom: {
    50: '#97e3fc',
    500: '#57d7fb',
    950: '#000000',
  },
}

SCSS

$custom: #57d7fb;
$custom-light: #97e3fc;
$custom-dark: #000000;

JSON

{
  "hex": "#57d7fb",
  "rgb": {
    "r": 87,
    "g": 215,
    "b": 251
  },
  "hsl": {
    "h": 193.171,
    "s": 95.349,
    "l": 66.275
  },
  "oklch": {
    "l": 0.82214,
    "c": 0.12181,
    "h": 219.8
  },
  "luminance": 0.57592
}

Semantic roles & 50–950 ramp

primary

#57D7FB

secondary

#CD4D29

accent

#3200E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #57D7FB

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

Preview Lab → · Contrast checker → · Palette generator →