#57BCEF#57BCEF

#57BCEF is a light, moderate cyan. Relative luminance 0.442; OKLCH L 75.6% C 0.119 H 233.4°. Best body text is #000000 at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#57BCEF
RGB	rgb(87, 188, 239)
HSL	hsl(200, 83%, 64%)
HSV	hsv(200, 64%, 94%)
CMYK	cmyk(63.6%, 21.3%, 0%, 6.3%)
CIE-LAB	lab(72.38, -14.25, -34.07)
CIE-LCH	lch(72.38, 36.93, 247.30°)
OKLab	oklab(75.57% -0.0708 -0.0954)
OKLCH	oklch(75.57% 0.119 233.4)
XYZ	xyz(37.4876, 44.2208, 88.2045)
Luminance	0.4422 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BCEF #EF8A57

analogous

#57EFD6 #57BCEF #5770EF

triadic

#57BCEF #EF57BC #BCEF57

tetradic

#57BCEF #D657EF #EF8A57 #70EF57

square

#57BCEF #D657EF #EF8A57 #70EF57

split-complementary

#57BCEF #EF5770 #EFD657

monochromatic

#1281BA #1FA6EA #57BCEF #8FD2F4 #C7E9FA

Accessibility & contrast

On white

2.13

#57BCEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.84

#57BCEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BCEF

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BCEF	#FFFFFF	#000000	##000000
##57BCEF	1.00	2.13	9.84	9.84
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.84	21.00	1.00	1.00
##000000	9.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3BAF1

Deuteranopia (green-blind)

#8EABEE

Tritanopia (blue-blind)

#00CACD

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #57bcef;
/* rgb */ color: rgb(87, 188, 239);
/* oklch */ color: oklch(75.6% 0.119 233.4);

Tailwind

colors: {
  custom: {
    50: '#95d0f4',
    500: '#57bcef',
    950: '#000000',
  },
}

SCSS

$custom: #57bcef;
$custom-light: #95d0f4;
$custom-dark: #000000;

JSON

{
  "hex": "#57bcef",
  "rgb": {
    "r": 87,
    "g": 188,
    "b": 239
  },
  "hsl": {
    "h": 200.132,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.75568,
    "c": 0.11886,
    "h": 233.4
  },
  "luminance": 0.44225
}

Semantic roles & 50–950 ramp

primary

#57BCEF

secondary

#ECC8B6

accent

#4F06DF

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1417

muted

#7E8285

Preview Lab

Preview with #57BCEF

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

Preview Lab → · Contrast checker → · Palette generator →