#57A0EF#57A0EF

#57A0EF is a light, vivid cyan. Relative luminance 0.334; OKLCH L 69.3% C 0.138 H 252.1°. Best body text is #000000 at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#57A0EF
RGB	rgb(87, 160, 239)
HSL	hsl(211, 83%, 64%)
HSV	hsv(211, 64%, 94%)
CMYK	cmyk(63.6%, 33.1%, 0%, 6.3%)
CIE-LAB	lab(64.48, 1.21, -46.40)
CIE-LCH	lch(64.48, 46.42, 271.49°)
OKLab	oklab(69.33% -0.0425 -0.1314)
OKLCH	oklch(69.33% 0.138 252.1)
XYZ	xyz(32.0756, 33.3967, 86.4004)
Luminance	0.3340 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A0EF #EFA657

analogous

#57ECEF #57A0EF #5A57EF

triadic

#57A0EF #EF57A0 #A0EF57

tetradic

#57A0EF #EF57EC #EFA657 #57EF5A

square

#57A0EF #EF57EC #EFA657 #57EF5A

split-complementary

#57A0EF #EF5A57 #ECEF57

monochromatic

#1262BA #1F80EA #57A0EF #8FC0F4 #C7DFFA

Accessibility & contrast

On white

2.73

#57A0EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.68

#57A0EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A0EF

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A0EF	#FFFFFF	#000000	##000000
##57A0EF	1.00	2.73	7.68	7.68
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.68	21.00	1.00	1.00
##000000	7.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7EA4F2

Deuteranopia (green-blind)

#6996ED

Tritanopia (blue-blind)

#00B2BC

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #57a0ef;
/* rgb */ color: rgb(87, 160, 239);
/* oklch */ color: oklch(69.3% 0.138 252.1);

Tailwind

colors: {
  custom: {
    50: '#94bbf4',
    500: '#57a0ef',
    950: '#000000',
  },
}

SCSS

$custom: #57a0ef;
$custom-light: #94bbf4;
$custom-dark: #000000;

JSON

{
  "hex": "#57a0ef",
  "rgb": {
    "r": 87,
    "g": 160,
    "b": 239
  },
  "hsl": {
    "h": 211.184,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.69331,
    "c": 0.13809,
    "h": 252.1
  },
  "luminance": 0.334
}

Semantic roles & 50–950 ramp

primary

#57A0EF

secondary

#ECD2B6

accent

#7706DF

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #57A0EF

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

Preview Lab → · Contrast checker → · Palette generator →