#566CD2#566CD2

#566CD2 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.6% C 0.158 H 271.4°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#566CD2
RGB	rgb(86, 108, 210)
HSL	hsl(229, 58%, 58%)
HSV	hsv(229, 59%, 82%)
CMYK	cmyk(59%, 48.6%, 0%, 17.6%)
CIE-LAB	lab(48.70, 22.55, -55.28)
CIE-LCH	lch(48.70, 59.71, 292.19°)
OKLab	oklab(56.62% 0.0038 -0.158)
OKLCH	oklch(56.62% 0.158 271.4)
XYZ	xyz(20.8293, 17.3551, 63.2125)
Luminance	0.1736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566CD2 #D2BC56

analogous

#56AAD2 #566CD2 #7E56D2

triadic

#566CD2 #D2566C #6CD256

tetradic

#566CD2 #D256AA #D2BC56 #56D27E

square

#566CD2 #D256AA #D2BC56 #56D27E

split-complementary

#566CD2 #D27E56 #AAD256

monochromatic

#253689 #314AB9 #566CD2 #8696DF #B7C0EC

Accessibility & contrast

On white

4.70

#566CD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#566CD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566CD2

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566CD2	#FFFFFF	#000000	##FFFFFF
##566CD2	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3879D6

Deuteranopia (green-blind)

#226FD0

Tritanopia (blue-blind)

#008395

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #566cd2;
/* rgb */ color: rgb(86, 108, 210);
/* oklch */ color: oklch(56.6% 0.158 271.4);

Tailwind

colors: {
  custom: {
    50: '#9095e0',
    500: '#566cd2',
    950: '#000000',
  },
}

SCSS

$custom: #566cd2;
$custom-light: #9095e0;
$custom-dark: #000000;

JSON

{
  "hex": "#566cd2",
  "rgb": {
    "r": 86,
    "g": 108,
    "b": 210
  },
  "hsl": {
    "h": 229.355,
    "s": 57.944,
    "l": 58.039
  },
  "oklch": {
    "l": 0.56622,
    "c": 0.15807,
    "h": 271.4
  },
  "luminance": 0.17357
}

Semantic roles & 50–950 ramp

primary

#566CD2

secondary

#DBD2A9

accent

#C647E1

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #566CD2

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

Preview Lab → · Contrast checker → · Palette generator →