#57C0EA#57C0EA

#57C0EA is a light, moderate cyan. Relative luminance 0.457; OKLCH L 76.3% C 0.113 H 227.4°. Best body text is #000000 at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#57C0EA
RGB	rgb(87, 192, 234)
HSL	hsl(197, 78%, 63%)
HSV	hsv(197, 63%, 92%)
CMYK	cmyk(62.8%, 17.9%, 0%, 8.2%)
CIE-LAB	lab(73.33, -17.90, -29.90)
CIE-LCH	lch(73.33, 34.84, 239.09°)
OKLab	oklab(76.26% -0.0767 -0.0835)
OKLCH	oklch(76.26% 0.113 227.4)
XYZ	xyz(37.6255, 45.6621, 84.6567)
Luminance	0.4567 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C0EA #EA8157

analogous

#57EACB #57C0EA #5776EA

triadic

#57C0EA #EA57C0 #C0EA57

tetradic

#57C0EA #CB57EA #EA8157 #76EA57

square

#57C0EA #CB57EA #EA8157 #76EA57

split-complementary

#57C0EA #EA5776 #EACB57

monochromatic

#1684B1 #21ACE3 #57C0EA #8DD4F1 #C4E9F8

Accessibility & contrast

On white

2.07

#57C0EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.13

#57C0EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C0EA

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C0EA	#FFFFFF	#000000	##000000
##57C0EA	1.00	2.07	10.13	10.13
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.13	21.00	1.00	1.00
##000000	10.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AABDEC

Deuteranopia (green-blind)

#95ADE9

Tritanopia (blue-blind)

#00CCCE

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #57c0ea;
/* rgb */ color: rgb(87, 192, 234);
/* oklch */ color: oklch(76.3% 0.113 227.4);

Tailwind

colors: {
  custom: {
    50: '#94d3f0',
    500: '#57c0ea',
    950: '#000000',
  },
}

SCSS

$custom: #57c0ea;
$custom-light: #94d3f0;
$custom-dark: #000000;

JSON

{
  "hex": "#57c0ea",
  "rgb": {
    "r": 87,
    "g": 192,
    "b": 234
  },
  "hsl": {
    "h": 197.143,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.76262,
    "c": 0.11335,
    "h": 227.4
  },
  "luminance": 0.45666
}

Semantic roles & 50–950 ramp

primary

#57C0EA

secondary

#E9C3B4

accent

#460BDA

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57C0EA

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

Preview Lab → · Contrast checker → · Palette generator →