#57BCE8#57BCE8

#57BCE8 is a light, moderate cyan. Relative luminance 0.438; OKLCH L 75.3% C 0.113 H 229.5°. Best body text is #000000 at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#57BCE8
RGB	rgb(87, 188, 232)
HSL	hsl(198, 76%, 63%)
HSV	hsv(198, 63%, 91%)
CMYK	cmyk(62.5%, 19%, 0%, 9%)
CIE-LAB	lab(72.10, -16.42, -30.69)
CIE-LCH	lch(72.10, 34.81, 241.86°)
OKLab	oklab(75.26% -0.0733 -0.0858)
OKLCH	oklch(75.26% 0.113 229.5)
XYZ	xyz(36.4735, 43.8151, 82.8633)
Luminance	0.4382 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BCE8 #E88357

analogous

#57E8CC #57BCE8 #5773E8

triadic

#57BCE8 #E857BC #BCE857

tetradic

#57BCE8 #CC57E8 #E88357 #73E857

square

#57BCE8 #CC57E8 #E88357 #73E857

split-complementary

#57BCE8 #E85773 #E8CC57

monochromatic

#1880AD #21A7E1 #57BCE8 #8DD1EF #C3E7F7

Accessibility & contrast

On white

2.15

#57BCE8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.76

#57BCE8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BCE8

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BCE8	#FFFFFF	#000000	##000000
##57BCE8	1.00	2.15	9.76	9.76
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.76	21.00	1.00	1.00
##000000	9.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B9EA

Deuteranopia (green-blind)

#91AAE7

Tritanopia (blue-blind)

#00C8CA

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #57bce8;
/* rgb */ color: rgb(87, 188, 232);
/* oklch */ color: oklch(75.3% 0.113 229.5);

Tailwind

colors: {
  custom: {
    50: '#94d0ef',
    500: '#57bce8',
    950: '#000000',
  },
}

SCSS

$custom: #57bce8;
$custom-light: #94d0ef;
$custom-dark: #000000;

JSON

{
  "hex": "#57bce8",
  "rgb": {
    "r": 87,
    "g": 188,
    "b": 232
  },
  "hsl": {
    "h": 198.207,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.75263,
    "c": 0.11282,
    "h": 229.5
  },
  "luminance": 0.43819
}

Semantic roles & 50–950 ramp

primary

#57BCE8

secondary

#E8C3B3

accent

#4B0DD8

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57BCE8

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

Preview Lab → · Contrast checker → · Palette generator →