#57C4E9#57C4E9

#57C4E9 is a light, moderate cyan. Relative luminance 0.474; OKLCH L 77.1% C 0.112 H 223.5°. Best body text is #000000 at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#57C4E9
RGB	rgb(87, 196, 233)
HSL	hsl(195, 77%, 63%)
HSV	hsv(195, 63%, 91%)
CMYK	cmyk(62.7%, 15.9%, 0%, 8.6%)
CIE-LAB	lab(74.44, -20.27, -27.65)
CIE-LCH	lch(74.44, 34.28, 233.76°)
OKLab	oklab(77.14% -0.0811 -0.0771)
OKLCH	oklch(77.14% 0.112 223.5)
XYZ	xyz(38.3725, 47.3853, 84.1990)
Luminance	0.4739 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C4E9 #E97C57

analogous

#57E9C5 #57C4E9 #577BE9

triadic

#57C4E9 #E957C4 #C4E957

tetradic

#57C4E9 #C557E9 #E97C57 #7BE957

square

#57C4E9 #C557E9 #E97C57 #7BE957

split-complementary

#57C4E9 #E9577B #E9C557

monochromatic

#1788AF #21B1E2 #57C4E9 #8DD7F0 #C3EAF7

Accessibility & contrast

On white

2.00

#57C4E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.48

#57C4E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C4E9

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C4E9	#FFFFFF	#000000	##000000
##57C4E9	1.00	2.00	10.48	10.48
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.48	21.00	1.00	1.00
##000000	10.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFC0EB

Deuteranopia (green-blind)

#9AB0E9

Tritanopia (blue-blind)

#00CFD0

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #57c4e9;
/* rgb */ color: rgb(87, 196, 233);
/* oklch */ color: oklch(77.1% 0.112 223.5);

Tailwind

colors: {
  custom: {
    50: '#94d6f0',
    500: '#57c4e9',
    950: '#000000',
  },
}

SCSS

$custom: #57c4e9;
$custom-light: #94d6f0;
$custom-dark: #000000;

JSON

{
  "hex": "#57c4e9",
  "rgb": {
    "r": 87,
    "g": 196,
    "b": 233
  },
  "hsl": {
    "h": 195.205,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.77137,
    "c": 0.11191,
    "h": 223.5
  },
  "luminance": 0.47389
}

Semantic roles & 50–950 ramp

primary

#57C4E9

secondary

#E8C1B3

accent

#400CD9

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #57C4E9

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

Preview Lab → · Contrast checker → · Palette generator →