#57D9FA#57D9FA

#57D9FA is a very light, vivid cyan. Relative luminance 0.586; OKLCH L 82.6% C 0.121 H 217.7°. Best body text is #000000 at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#57D9FA
RGB	rgb(87, 217, 250)
HSL	hsl(192, 94%, 66%)
HSV	hsv(192, 65%, 98%)
CMYK	cmyk(65.2%, 13.2%, 0%, 2%)
CIE-LAB	lab(81.04, -25.75, -26.64)
CIE-LCH	lch(81.04, 37.05, 225.97°)
OKLab	oklab(82.63% -0.0959 -0.0742)
OKLCH	oklch(82.63% 0.121 217.7)
XYZ	xyz(45.9916, 58.5491, 99.3012)
Luminance	0.5855 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57D9FA #FA7857

analogous

#57FAC9 #57D9FA #5787FA

triadic

#57D9FA #FA57D9 #D9FA57

tetradic

#57D9FA #C957FA #FA7857 #87FA57

square

#57D9FA #C957FA #FA7857 #87FA57

split-complementary

#57D9FA #FA5787 #FAC957

monochromatic

#06A7D0 #1CCCF8 #57D9FA #92E6FC #CEF4FE

Accessibility & contrast

On white

1.65

#57D9FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.71

#57D9FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57D9FA

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57D9FA	#FFFFFF	#000000	##000000
##57D9FA	1.00	1.65	12.71	12.71
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.71	21.00	1.00	1.00
##000000	12.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4D3FC

Deuteranopia (green-blind)

#ACC2FA

Tritanopia (blue-blind)

#00E4E3

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #57d9fa;
/* rgb */ color: rgb(87, 217, 250);
/* oklch */ color: oklch(82.6% 0.121 217.7);

Tailwind

colors: {
  custom: {
    50: '#98e5fc',
    500: '#57d9fa',
    950: '#000000',
  },
}

SCSS

$custom: #57d9fa;
$custom-light: #98e5fc;
$custom-dark: #000000;

JSON

{
  "hex": "#57d9fa",
  "rgb": {
    "r": 87,
    "g": 217,
    "b": 250
  },
  "hsl": {
    "h": 192.147,
    "s": 94.22,
    "l": 66.078
  },
  "oklch": {
    "l": 0.82631,
    "c": 0.12124,
    "h": 217.7
  },
  "luminance": 0.58554
}

Semantic roles & 50–950 ramp

primary

#57D9FA

secondary

#CB4A2A

accent

#2E00E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #57D9FA

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

Preview Lab → · Contrast checker → · Palette generator →