#566BE7#566BE7

#566BE7 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.9% C 0.188 H 272.0°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#566BE7
RGB	rgb(86, 107, 231)
HSL	hsl(231, 75%, 62%)
HSV	hsv(231, 63%, 91%)
CMYK	cmyk(62.8%, 53.7%, 0%, 9.4%)
CIE-LAB	lab(49.81, 30.21, -65.39)
CIE-LCH	lch(49.81, 72.03, 294.80°)
OKLab	oklab(57.89% 0.0065 -0.1878)
OKLCH	oklch(57.89% 0.188 272)
XYZ	xyz(23.5144, 18.2613, 77.8714)
Luminance	0.1826 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566BE7 #E7D256

analogous

#56B4E7 #566BE7 #8956E7

triadic

#566BE7 #E7566B #6BE756

tetradic

#566BE7 #E756B4 #E7D256 #56E789

square

#566BE7 #E756B4 #E7D256 #56E789

split-complementary

#566BE7 #E78956 #B4E756

monochromatic

#182DAA #203CDF #566BE7 #8C9AEF #C1C9F6

Accessibility & contrast

On white

4.51

#566BE7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#566BE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566BE7

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566BE7	#FFFFFF	#000000	##000000
##566BE7	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#107DEB

Deuteranopia (green-blind)

#0070E4

Tritanopia (blue-blind)

#00889F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #566be7;
/* rgb */ color: rgb(86, 107, 231);
/* oklch */ color: oklch(57.9% 0.188 272.0);

Tailwind

colors: {
  custom: {
    50: '#9395ef',
    500: '#566be7',
    950: '#000000',
  },
}

SCSS

$custom: #566be7;
$custom-light: #9395ef;
$custom-dark: #000000;

JSON

{
  "hex": "#566be7",
  "rgb": {
    "r": 86,
    "g": 107,
    "b": 231
  },
  "hsl": {
    "h": 231.31,
    "s": 75.13,
    "l": 62.157
  },
  "oklch": {
    "l": 0.57893,
    "c": 0.18787,
    "h": 272
  },
  "luminance": 0.18263
}

Semantic roles & 50–950 ramp

primary

#566BE7

secondary

#E7DFB2

accent

#BA0ED7

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #566BE7

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

Preview Lab → · Contrast checker → · Palette generator →