#566CE5#566CE5

#566CE5 is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.9% C 0.184 H 271.7°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#566CE5
RGB	rgb(86, 108, 229)
HSL	hsl(231, 73%, 62%)
HSV	hsv(231, 62%, 90%)
CMYK	cmyk(62.4%, 52.8%, 0%, 10.2%)
CIE-LAB	lab(49.93, 28.92, -64.07)
CIE-LCH	lch(49.93, 70.30, 294.30°)
OKLab	oklab(57.94% 0.0055 -0.1839)
OKLCH	oklch(57.94% 0.184 271.7)
XYZ	xyz(23.3384, 18.3587, 76.4272)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566CE5 #E5CF56

analogous

#56B4E5 #566CE5 #8856E5

triadic

#566CE5 #E5566C #6CE556

tetradic

#566CE5 #E556B4 #E5CF56 #56E588

square

#566CE5 #E556B4 #E5CF56 #56E588

split-complementary

#566CE5 #E58856 #B4E556

monochromatic

#1A2FA7 #223EDC #566CE5 #8B9AED #C0C8F5

Accessibility & contrast

On white

4.49

#566CE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#566CE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566CE5

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566CE5	#FFFFFF	#000000	##000000
##566CE5	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C7DE9

Deuteranopia (green-blind)

#0071E3

Tritanopia (blue-blind)

#00889E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #566ce5;
/* rgb */ color: rgb(86, 108, 229);
/* oklch */ color: oklch(57.9% 0.184 271.7);

Tailwind

colors: {
  custom: {
    50: '#9395ee',
    500: '#566ce5',
    950: '#000000',
  },
}

SCSS

$custom: #566ce5;
$custom-light: #9395ee;
$custom-dark: #000000;

JSON

{
  "hex": "#566ce5",
  "rgb": {
    "r": 86,
    "g": 108,
    "b": 229
  },
  "hsl": {
    "h": 230.769,
    "s": 73.333,
    "l": 61.765
  },
  "oklch": {
    "l": 0.57938,
    "c": 0.18396,
    "h": 271.7
  },
  "luminance": 0.18361
}

Semantic roles & 50–950 ramp

primary

#566CE5

secondary

#E6DEB1

accent

#B710D5

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566CE5

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

Preview Lab → · Contrast checker → · Palette generator →