#57BCFF#57BCFF

#57BCFF is a light, vivid cyan. Relative luminance 0.452; OKLCH L 76.3% C 0.135 H 240.8°. Best body text is #000000 at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#57BCFF
RGB	rgb(87, 188, 255)
HSL	hsl(204, 100%, 67%)
HSV	hsv(204, 66%, 100%)
CMYK	cmyk(65.9%, 26.3%, 0%, 0%)
CIE-LAB	lab(73.03, -9.19, -41.69)
CIE-LCH	lch(73.03, 42.69, 257.57°)
OKLab	oklab(76.3% -0.0656 -0.1174)
OKLCH	oklch(76.3% 0.135 240.8)
XYZ	xyz(39.9568, 45.2085, 101.2087)
Luminance	0.4521 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BCFF #FF9A57

analogous

#57FFEE #57BCFF #5768FF

triadic

#57BCFF #FF57BC #BCFF57

tetradic

#57BCFF #EE57FF #FF9A57 #68FF57

square

#57BCFF #EE57FF #FF9A57 #68FF57

split-complementary

#57BCFF #FF5768 #FFEE57

monochromatic

#0084DC #1AA4FF #57BCFF #94D4FF #D1EDFF

Accessibility & contrast

On white

2.09

#57BCFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.04

#57BCFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BCFF

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BCFF	#FFFFFF	#000000	##000000
##57BCFF	1.00	2.09	10.04	10.04
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.04	21.00	1.00	1.00
##000000	10.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DBCFF

Deuteranopia (green-blind)

#86ACFE

Tritanopia (blue-blind)

#00CDD3

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #57bcff;
/* rgb */ color: rgb(87, 188, 255);
/* oklch */ color: oklch(76.3% 0.135 240.8);

Tailwind

colors: {
  custom: {
    50: '#97d0ff',
    500: '#57bcff',
    950: '#000000',
  },
}

SCSS

$custom: #57bcff;
$custom-light: #97d0ff;
$custom-dark: #000000;

JSON

{
  "hex": "#57bcff",
  "rgb": {
    "r": 87,
    "g": 188,
    "b": 255
  },
  "hsl": {
    "h": 203.929,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.76302,
    "c": 0.13451,
    "h": 240.8
  },
  "luminance": 0.45213
}

Semantic roles & 50–950 ramp

primary

#57BCFF

secondary

#F4D4BE

accent

#5C00E6

background

#FAFCFF

surface

#F3F9FF

border

#CDD2D7

text

#0F1318

muted

#7F8286

Preview Lab

Preview with #57BCFF

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

Preview Lab → · Contrast checker → · Palette generator →