#57BCE4#57BCE4

#57BCE4 is a light, moderate cyan. Relative luminance 0.436; OKLCH L 75.1% C 0.110 H 227.1°. Best body text is #000000 at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#57BCE4
RGB	rgb(87, 188, 228)
HSL	hsl(197, 72%, 62%)
HSV	hsv(197, 62%, 89%)
CMYK	cmyk(61.8%, 17.5%, 0%, 10.6%)
CIE-LAB	lab(71.95, -17.64, -28.75)
CIE-LCH	lch(71.95, 33.74, 238.47°)
OKLab	oklab(75.09% -0.0747 -0.0802)
OKLCH	oklch(75.09% 0.11 227.1)
XYZ	xyz(35.9118, 43.5905, 79.9050)
Luminance	0.4359 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BCE4 #E47F57

analogous

#57E4C5 #57BCE4 #5776E4

triadic

#57BCE4 #E457BC #BCE457

tetradic

#57BCE4 #C557E4 #E47F57 #76E457

square

#57BCE4 #C557E4 #E47F57 #76E457

split-complementary

#57BCE4 #E45776 #E4C557

monochromatic

#1B7EA6 #23A7DB #57BCE4 #8CD1EC #C0E6F5

Accessibility & contrast

On white

2.16

#57BCE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.72

#57BCE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BCE4

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BCE4	#FFFFFF	#000000	##000000
##57BCE4	1.00	2.16	9.72	9.72
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.72	21.00	1.00	1.00
##000000	9.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B9E6

Deuteranopia (green-blind)

#93AAE4

Tritanopia (blue-blind)

#00C8C9

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #57bce4;
/* rgb */ color: rgb(87, 188, 228);
/* oklch */ color: oklch(75.1% 0.110 227.1);

Tailwind

colors: {
  custom: {
    50: '#93d0ec',
    500: '#57bce4',
    950: '#000000',
  },
}

SCSS

$custom: #57bce4;
$custom-light: #93d0ec;
$custom-dark: #000000;

JSON

{
  "hex": "#57bce4",
  "rgb": {
    "r": 87,
    "g": 188,
    "b": 228
  },
  "hsl": {
    "h": 197.021,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.75093,
    "c": 0.10964,
    "h": 227.1
  },
  "luminance": 0.43594
}

Semantic roles & 50–950 ramp

primary

#57BCE4

secondary

#E6C0B1

accent

#4911D4

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57BCE4

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

Preview Lab → · Contrast checker → · Palette generator →