#566FE4#566FE4

#566FE4 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.4% C 0.179 H 270.8°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#566FE4
RGB	rgb(86, 111, 228)
HSL	hsl(229, 72%, 62%)
HSV	hsv(229, 62%, 89%)
CMYK	cmyk(62.3%, 51.3%, 0%, 10.6%)
CIE-LAB	lab(50.62, 26.74, -62.39)
CIE-LCH	lch(50.62, 67.87, 293.20°)
OKLab	oklab(58.44% 0.0026 -0.1789)
OKLCH	oklch(58.44% 0.179 270.8)
XYZ	xyz(23.5211, 18.9467, 75.8013)
Luminance	0.1895 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566FE4 #E4CB56

analogous

#56B6E4 #566FE4 #8456E4

triadic

#566FE4 #E4566F #6FE456

tetradic

#566FE4 #E456B6 #E4CB56 #56E484

square

#566FE4 #E456B6 #E4CB56 #56E484

split-complementary

#566FE4 #E48456 #B6E456

monochromatic

#1A33A5 #2343DA #566FE4 #8B9CEC #C0C9F5

Accessibility & contrast

On white

4.38

#566FE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#566FE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566FE4

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566FE4	#FFFFFF	#000000	##000000
##566FE4	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#297FE8

Deuteranopia (green-blind)

#0072E2

Tritanopia (blue-blind)

#008A9F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #566fe4;
/* rgb */ color: rgb(86, 111, 228);
/* oklch */ color: oklch(58.4% 0.179 270.8);

Tailwind

colors: {
  custom: {
    50: '#9398ed',
    500: '#566fe4',
    950: '#000000',
  },
}

SCSS

$custom: #566fe4;
$custom-light: #9398ed;
$custom-dark: #000000;

JSON

{
  "hex": "#566fe4",
  "rgb": {
    "r": 86,
    "g": 111,
    "b": 228
  },
  "hsl": {
    "h": 229.437,
    "s": 72.449,
    "l": 61.569
  },
  "oklch": {
    "l": 0.58442,
    "c": 0.1789,
    "h": 270.8
  },
  "luminance": 0.18949
}

Semantic roles & 50–950 ramp

primary

#566FE4

secondary

#E5DCB0

accent

#B211D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566FE4

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

Preview Lab → · Contrast checker → · Palette generator →