#566CE4#566CE4

#566CE4 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.9% C 0.183 H 271.7°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#566CE4
RGB	rgb(86, 108, 228)
HSL	hsl(231, 72%, 62%)
HSV	hsv(231, 62%, 89%)
CMYK	cmyk(62.3%, 52.6%, 0%, 10.6%)
CIE-LAB	lab(49.86, 28.59, -63.62)
CIE-LCH	lch(49.86, 69.75, 294.20°)
OKLab	oklab(57.87% 0.0054 -0.1825)
OKLCH	oklch(57.87% 0.183 271.7)
XYZ	xyz(23.1992, 18.3030, 75.6940)
Luminance	0.1830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566CE4 #E4CE56

analogous

#56B3E4 #566CE4 #8756E4

triadic

#566CE4 #E4566C #6CE456

tetradic

#566CE4 #E456B3 #E4CE56 #56E487

square

#566CE4 #E456B3 #E4CE56 #56E487

split-complementary

#566CE4 #E48756 #B3E456

monochromatic

#1A30A5 #233FDA #566CE4 #8B9AEC #C0C8F5

Accessibility & contrast

On white

4.51

#566CE4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#566CE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566CE4

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566CE4	#FFFFFF	#000000	##000000
##566CE4	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E7DE8

Deuteranopia (green-blind)

#0071E2

Tritanopia (blue-blind)

#00889E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #566ce4;
/* rgb */ color: rgb(86, 108, 228);
/* oklch */ color: oklch(57.9% 0.183 271.7);

Tailwind

colors: {
  custom: {
    50: '#9395ed',
    500: '#566ce4',
    950: '#000000',
  },
}

SCSS

$custom: #566ce4;
$custom-light: #9395ed;
$custom-dark: #000000;

JSON

{
  "hex": "#566ce4",
  "rgb": {
    "r": 86,
    "g": 108,
    "b": 228
  },
  "hsl": {
    "h": 230.704,
    "s": 72.449,
    "l": 61.569
  },
  "oklch": {
    "l": 0.57866,
    "c": 0.18262,
    "h": 271.7
  },
  "luminance": 0.18305
}

Semantic roles & 50–950 ramp

primary

#566CE4

secondary

#E5DDB0

accent

#B611D5

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566CE4

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

Preview Lab → · Contrast checker → · Palette generator →