#57C0E9#57C0E9

#57C0E9 is a light, moderate cyan. Relative luminance 0.456; OKLCH L 76.2% C 0.113 H 226.8°. Best body text is #000000 at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#57C0E9
RGB	rgb(87, 192, 233)
HSL	hsl(197, 77%, 63%)
HSV	hsv(197, 63%, 91%)
CMYK	cmyk(62.7%, 17.6%, 0%, 8.6%)
CIE-LAB	lab(73.29, -18.20, -29.41)
CIE-LCH	lch(73.29, 34.59, 238.25°)
OKLab	oklab(76.22% -0.077 -0.0821)
OKLCH	oklch(76.22% 0.113 226.8)
XYZ	xyz(37.4823, 45.6048, 83.9023)
Luminance	0.4561 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C0E9 #E98057

analogous

#57E9C9 #57C0E9 #5777E9

triadic

#57C0E9 #E957C0 #C0E957

tetradic

#57C0E9 #C957E9 #E98057 #77E957

square

#57C0E9 #C957E9 #E98057 #77E957

split-complementary

#57C0E9 #E95777 #E9C957

monochromatic

#1784AF #21ACE2 #57C0E9 #8DD4F0 #C3E9F7

Accessibility & contrast

On white

2.07

#57C0E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.12

#57C0E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C0E9

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C0E9	#FFFFFF	#000000	##000000
##57C0E9	1.00	2.07	10.12	10.12
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.12	21.00	1.00	1.00
##000000	10.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AABDEB

Deuteranopia (green-blind)

#96ADE9

Tritanopia (blue-blind)

#00CCCD

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #57c0e9;
/* rgb */ color: rgb(87, 192, 233);
/* oklch */ color: oklch(76.2% 0.113 226.8);

Tailwind

colors: {
  custom: {
    50: '#94d3f0',
    500: '#57c0e9',
    950: '#000000',
  },
}

SCSS

$custom: #57c0e9;
$custom-light: #94d3f0;
$custom-dark: #000000;

JSON

{
  "hex": "#57c0e9",
  "rgb": {
    "r": 87,
    "g": 192,
    "b": 233
  },
  "hsl": {
    "h": 196.849,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.7622,
    "c": 0.11259,
    "h": 226.8
  },
  "luminance": 0.45609
}

Semantic roles & 50–950 ramp

primary

#57C0E9

secondary

#E8C2B3

accent

#460CD9

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57C0E9

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

Preview Lab → · Contrast checker → · Palette generator →