#566BE4#566BE4

#566BE4 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.7% C 0.184 H 272.0°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#566BE4
RGB	rgb(86, 107, 228)
HSL	hsl(231, 72%, 62%)
HSV	hsv(231, 62%, 89%)
CMYK	cmyk(62.3%, 53.1%, 0%, 10.6%)
CIE-LAB	lab(49.61, 29.21, -64.03)
CIE-LCH	lch(49.61, 70.37, 294.52°)
OKLab	oklab(57.68% 0.0063 -0.1837)
OKLCH	oklch(57.68% 0.184 272)
XYZ	xyz(23.0944, 18.0933, 75.6591)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566BE4 #E4CF56

analogous

#56B2E4 #566BE4 #8856E4

triadic

#566BE4 #E4566B #6BE456

tetradic

#566BE4 #E456B2 #E4CF56 #56E488

square

#566BE4 #E456B2 #E4CF56 #56E488

split-complementary

#566BE4 #E48856 #B2E456

monochromatic

#1A2FA5 #233EDA #566BE4 #8B99EC #C0C7F5

Accessibility & contrast

On white

4.55

#566BE4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#566BE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566BE4

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566BE4	#FFFFFF	#000000	##000000
##566BE4	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#197CE8

Deuteranopia (green-blind)

#0070E2

Tritanopia (blue-blind)

#00879D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #566be4;
/* rgb */ color: rgb(86, 107, 228);
/* oklch */ color: oklch(57.7% 0.184 272.0);

Tailwind

colors: {
  custom: {
    50: '#9395ed',
    500: '#566be4',
    950: '#000000',
  },
}

SCSS

$custom: #566be4;
$custom-light: #9395ed;
$custom-dark: #000000;

JSON

{
  "hex": "#566be4",
  "rgb": {
    "r": 86,
    "g": 107,
    "b": 228
  },
  "hsl": {
    "h": 231.127,
    "s": 72.449,
    "l": 61.569
  },
  "oklch": {
    "l": 0.57676,
    "c": 0.18386,
    "h": 272
  },
  "luminance": 0.18095
}

Semantic roles & 50–950 ramp

primary

#566BE4

secondary

#E5DEB0

accent

#B811D5

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566BE4

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

Preview Lab → · Contrast checker → · Palette generator →