#57CBEF#57CBEF

#57CBEF is a light, moderate cyan. Relative luminance 0.510; OKLCH L 79.0% C 0.115 H 221.7°. Best body text is #000000 at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#57CBEF
RGB	rgb(87, 203, 239)
HSL	hsl(194, 83%, 64%)
HSV	hsv(194, 64%, 94%)
CMYK	cmyk(63.6%, 15.1%, 0%, 6.3%)
CIE-LAB	lab(76.66, -22.03, -27.47)
CIE-LCH	lch(76.66, 35.21, 231.28°)
OKLab	oklab(78.99% -0.086 -0.0766)
OKLCH	oklch(78.99% 0.115 221.7)
XYZ	xyz(40.8601, 50.9658, 89.3286)
Luminance	0.5097 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57CBEF #EF7B57

analogous

#57EFC7 #57CBEF #577FEF

triadic

#57CBEF #EF57CB #CBEF57

tetradic

#57CBEF #C757EF #EF7B57 #7FEF57

square

#57CBEF #C757EF #EF7B57 #7FEF57

split-complementary

#57CBEF #EF577F #EFC757

monochromatic

#1292BA #1FBAEA #57CBEF #8FDCF4 #C7EEFA

Accessibility & contrast

On white

1.88

#57CBEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.19

#57CBEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57CBEF

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57CBEF	#FFFFFF	#000000	##000000
##57CBEF	1.00	1.88	11.19	11.19
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.19	21.00	1.00	1.00
##000000	11.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C6F1

Deuteranopia (green-blind)

#A0B6EF

Tritanopia (blue-blind)

#00D6D6

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #57cbef;
/* rgb */ color: rgb(87, 203, 239);
/* oklch */ color: oklch(79.0% 0.115 221.7);

Tailwind

colors: {
  custom: {
    50: '#95dbf4',
    500: '#57cbef',
    950: '#000000',
  },
}

SCSS

$custom: #57cbef;
$custom-light: #95dbf4;
$custom-dark: #000000;

JSON

{
  "hex": "#57cbef",
  "rgb": {
    "r": 87,
    "g": 203,
    "b": 239
  },
  "hsl": {
    "h": 194.211,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.78987,
    "c": 0.11517,
    "h": 221.7
  },
  "luminance": 0.5097
}

Semantic roles & 50–950 ramp

primary

#57CBEF

secondary

#B95131

accent

#3A06DF

background

#FCFEFF

surface

#F5FBFE

border

#CFD4D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #57CBEF

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

Preview Lab → · Contrast checker → · Palette generator →