#57D5FF#57D5FF

#57D5FF is a light, vivid cyan. Relative luminance 0.568; OKLCH L 81.9% C 0.125 H 223.6°. Best body text is #000000 at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#57D5FF
RGB	rgb(87, 213, 255)
HSL	hsl(195, 100%, 67%)
HSV	hsv(195, 66%, 100%)
CMYK	cmyk(65.9%, 16.5%, 0%, 0%)
CIE-LAB	lab(80.08, -22.25, -30.76)
CIE-LCH	lch(80.08, 37.97, 234.12°)
OKLab	oklab(81.92% -0.0901 -0.0859)
OKLCH	oklch(81.92% 0.125 223.6)
XYZ	xyz(45.7674, 56.8298, 103.1456)
Luminance	0.5684 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57D5FF #FF8157

analogous

#57FFD5 #57D5FF #5781FF

triadic

#57D5FF #FF57D5 #D5FF57

tetradic

#57D5FF #D557FF #FF8157 #81FF57

square

#57D5FF #D557FF #FF8157 #81FF57

split-complementary

#57D5FF #FF5781 #FFD557

monochromatic

#00A5DC #1AC6FF #57D5FF #94E4FF #D1F4FF

Accessibility & contrast

On white

1.70

#57D5FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.37

#57D5FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57D5FF

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57D5FF	#FFFFFF	#000000	##000000
##57D5FF	1.00	1.70	12.37	12.37
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.37	21.00	1.00	1.00
##000000	12.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDD0FF

Deuteranopia (green-blind)

#A6BFFF

Tritanopia (blue-blind)

#00E2E3

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #57d5ff;
/* rgb */ color: rgb(87, 213, 255);
/* oklch */ color: oklch(81.9% 0.125 223.6);

Tailwind

colors: {
  custom: {
    50: '#98e2ff',
    500: '#57d5ff',
    950: '#000000',
  },
}

SCSS

$custom: #57d5ff;
$custom-light: #98e2ff;
$custom-dark: #000000;

JSON

{
  "hex": "#57d5ff",
  "rgb": {
    "r": 87,
    "g": 213,
    "b": 255
  },
  "hsl": {
    "h": 195,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.81921,
    "c": 0.12451,
    "h": 223.6
  },
  "luminance": 0.56835
}

Semantic roles & 50–950 ramp

primary

#57D5FF

secondary

#D55126

accent

#3900E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1518

muted

#808486

Preview Lab

Preview with #57D5FF

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

Preview Lab → · Contrast checker → · Palette generator →