#566EE4#566EE4

#566EE4 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.2% C 0.180 H 271.1°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#566EE4
RGB	rgb(86, 110, 228)
HSL	hsl(230, 72%, 62%)
HSV	hsv(230, 62%, 89%)
CMYK	cmyk(62.3%, 51.8%, 0%, 10.6%)
CIE-LAB	lab(50.37, 27.35, -62.80)
CIE-LCH	lch(50.37, 68.50, 293.54°)
OKLab	oklab(58.25% 0.0035 -0.1801)
OKLCH	oklch(58.25% 0.18 271.1)
XYZ	xyz(23.4126, 18.7297, 75.7651)
Luminance	0.1873 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566EE4 #E4CC56

analogous

#56B5E4 #566EE4 #8556E4

triadic

#566EE4 #E4566E #6EE456

tetradic

#566EE4 #E456B5 #E4CC56 #56E485

square

#566EE4 #E456B5 #E4CC56 #56E485

split-complementary

#566EE4 #E48556 #B5E456

monochromatic

#1A32A5 #2342DA #566EE4 #8B9BEC #C0C9F5

Accessibility & contrast

On white

4.42

#566EE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#566EE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566EE4

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566EE4	#FFFFFF	#000000	##000000
##566EE4	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#267EE8

Deuteranopia (green-blind)

#0072E2

Tritanopia (blue-blind)

#008A9E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #566ee4;
/* rgb */ color: rgb(86, 110, 228);
/* oklch */ color: oklch(58.2% 0.180 271.1);

Tailwind

colors: {
  custom: {
    50: '#9397ed',
    500: '#566ee4',
    950: '#000000',
  },
}

SCSS

$custom: #566ee4;
$custom-light: #9397ed;
$custom-dark: #000000;

JSON

{
  "hex": "#566ee4",
  "rgb": {
    "r": 86,
    "g": 110,
    "b": 228
  },
  "hsl": {
    "h": 229.859,
    "s": 72.449,
    "l": 61.569
  },
  "oklch": {
    "l": 0.58249,
    "c": 0.18013,
    "h": 271.1
  },
  "luminance": 0.18732
}

Semantic roles & 50–950 ramp

primary

#566EE4

secondary

#E5DCB0

accent

#B311D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566EE4

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

Preview Lab → · Contrast checker → · Palette generator →