#566CE1#566CE1

#566CE1 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.7% C 0.179 H 271.7°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#566CE1
RGB	rgb(86, 108, 225)
HSL	hsl(231, 70%, 61%)
HSV	hsv(231, 62%, 88%)
CMYK	cmyk(61.8%, 52%, 0%, 11.8%)
CIE-LAB	lab(49.66, 27.58, -62.25)
CIE-LCH	lch(49.66, 68.08, 293.90°)
OKLab	oklab(57.65% 0.0052 -0.1785)
OKLCH	oklch(57.65% 0.179 271.7)
XYZ	xyz(22.7864, 18.1379, 73.5197)
Luminance	0.1814 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566CE1 #E1CB56

analogous

#56B1E1 #566CE1 #8556E1

triadic

#566CE1 #E1566C #6CE156

tetradic

#566CE1 #E156B1 #E1CB56 #56E185

square

#566CE1 #E156B1 #E1CB56 #56E185

split-complementary

#566CE1 #E18556 #B1E156

monochromatic

#1C31A0 #2641D4 #566CE1 #8A99EA #BEC6F3

Accessibility & contrast

On white

4.54

#566CE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#566CE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566CE1

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566CE1	#FFFFFF	#000000	##000000
##566CE1	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#247CE5

Deuteranopia (green-blind)

#0070DF

Tritanopia (blue-blind)

#00879C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #566ce1;
/* rgb */ color: rgb(86, 108, 225);
/* oklch */ color: oklch(57.7% 0.179 271.7);

Tailwind

colors: {
  custom: {
    50: '#9295eb',
    500: '#566ce1',
    950: '#000000',
  },
}

SCSS

$custom: #566ce1;
$custom-light: #9295eb;
$custom-dark: #000000;

JSON

{
  "hex": "#566ce1",
  "rgb": {
    "r": 86,
    "g": 108,
    "b": 225
  },
  "hsl": {
    "h": 230.504,
    "s": 69.849,
    "l": 60.98
  },
  "oklch": {
    "l": 0.57654,
    "c": 0.17859,
    "h": 271.7
  },
  "luminance": 0.1814
}

Semantic roles & 50–950 ramp

primary

#566CE1

secondary

#E4DBAF

accent

#B414D2

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566CE1

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

Preview Lab → · Contrast checker → · Palette generator →