#57A0EC#57A0EC

#57A0EC is a light, vivid cyan. Relative luminance 0.332; OKLCH L 69.2% C 0.134 H 251.2°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#57A0EC
RGB	rgb(87, 160, 236)
HSL	hsl(211, 80%, 63%)
HSV	hsv(211, 63%, 93%)
CMYK	cmyk(63.1%, 32.2%, 0%, 7.5%)
CIE-LAB	lab(64.34, 0.22, -44.98)
CIE-LCH	lch(64.34, 44.98, 270.28°)
OKLab	oklab(69.17% -0.0433 -0.1272)
OKLCH	oklch(69.17% 0.134 251.2)
XYZ	xyz(31.6361, 33.2209, 84.0857)
Luminance	0.3322 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A0EC #ECA357

analogous

#57EAEC #57A0EC #5857EC

triadic

#57A0EC #EC57A0 #A0EC57

tetradic

#57A0EC #EC57EA #ECA357 #57EC58

square

#57A0EC #EC57EA #ECA357 #57EC58

split-complementary

#57A0EC #EC5857 #EAEC57

monochromatic

#1463B4 #2081E6 #57A0EC #8EBFF2 #C5DEF8

Accessibility & contrast

On white

2.75

#57A0EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#57A0EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A0EC

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A0EC	#FFFFFF	#000000	##000000
##57A0EC	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA4EF

Deuteranopia (green-blind)

#6B96EA

Tritanopia (blue-blind)

#00B2BB

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #57a0ec;
/* rgb */ color: rgb(87, 160, 236);
/* oklch */ color: oklch(69.2% 0.134 251.2);

Tailwind

colors: {
  custom: {
    50: '#93bbf2',
    500: '#57a0ec',
    950: '#000000',
  },
}

SCSS

$custom: #57a0ec;
$custom-light: #93bbf2;
$custom-dark: #000000;

JSON

{
  "hex": "#57a0ec",
  "rgb": {
    "r": 87,
    "g": 160,
    "b": 236
  },
  "hsl": {
    "h": 210.604,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.69174,
    "c": 0.1344,
    "h": 251.2
  },
  "luminance": 0.33224
}

Semantic roles & 50–950 ramp

primary

#57A0EC

secondary

#EAD0B5

accent

#750ADC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #57A0EC

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

Preview Lab → · Contrast checker → · Palette generator →