#57C0EC#57C0EC

#57C0EC is a light, moderate cyan. Relative luminance 0.458; OKLCH L 76.3% C 0.115 H 228.6°. Best body text is #000000 at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#57C0EC
RGB	rgb(87, 192, 236)
HSL	hsl(198, 80%, 63%)
HSV	hsv(198, 63%, 93%)
CMYK	cmyk(63.1%, 18.6%, 0%, 7.5%)
CIE-LAB	lab(73.40, -17.28, -30.86)
CIE-LCH	lch(73.40, 35.37, 240.75°)
OKLab	oklab(76.35% -0.0759 -0.0862)
OKLCH	oklch(76.35% 0.115 228.6)
XYZ	xyz(37.9145, 45.7777, 86.1785)
Luminance	0.4578 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C0EC #EC8357

analogous

#57ECCD #57C0EC #5775EC

triadic

#57C0EC #EC57C0 #C0EC57

tetradic

#57C0EC #CD57EC #EC8357 #75EC57

square

#57C0EC #CD57EC #EC8357 #75EC57

split-complementary

#57C0EC #EC5775 #ECCD57

monochromatic

#1485B4 #20ABE6 #57C0EC #8ED5F2 #C5E9F8

Accessibility & contrast

On white

2.07

#57C0EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.16

#57C0EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C0EC

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C0EC	#FFFFFF	#000000	##000000
##57C0EC	1.00	2.07	10.16	10.16
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.16	21.00	1.00	1.00
##000000	10.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9BDEE

Deuteranopia (green-blind)

#94AEEB

Tritanopia (blue-blind)

#00CCCE

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #57c0ec;
/* rgb */ color: rgb(87, 192, 236);
/* oklch */ color: oklch(76.3% 0.115 228.6);

Tailwind

colors: {
  custom: {
    50: '#94d3f2',
    500: '#57c0ec',
    950: '#000000',
  },
}

SCSS

$custom: #57c0ec;
$custom-light: #94d3f2;
$custom-dark: #000000;

JSON

{
  "hex": "#57c0ec",
  "rgb": {
    "r": 87,
    "g": 192,
    "b": 236
  },
  "hsl": {
    "h": 197.718,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.76347,
    "c": 0.11492,
    "h": 228.6
  },
  "luminance": 0.45782
}

Semantic roles & 50–950 ramp

primary

#57C0EC

secondary

#EAC5B5

accent

#480ADC

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1417

muted

#7E8285

Preview Lab

Preview with #57C0EC

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

Preview Lab → · Contrast checker → · Palette generator →