#566DD2#566DD2

#566DD2 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.8% C 0.157 H 271.0°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#566DD2
RGB	rgb(86, 109, 210)
HSL	hsl(229, 58%, 58%)
HSV	hsv(229, 59%, 82%)
CMYK	cmyk(59%, 48.1%, 0%, 17.6%)
CIE-LAB	lab(48.97, 21.93, -54.86)
CIE-LCH	lch(48.97, 59.08, 291.79°)
OKLab	oklab(56.82% 0.0028 -0.1568)
OKLCH	oklch(56.82% 0.157 271)
XYZ	xyz(20.9354, 17.5672, 63.2478)
Luminance	0.1757 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566DD2 #D2BB56

analogous

#56ABD2 #566DD2 #7D56D2

triadic

#566DD2 #D2566D #6DD256

tetradic

#566DD2 #D256AB #D2BB56 #56D27D

square

#566DD2 #D256AB #D2BB56 #56D27D

split-complementary

#566DD2 #D27D56 #ABD256

monochromatic

#253789 #314BB9 #566DD2 #8697DF #B7C1EC

Accessibility & contrast

On white

4.65

#566DD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#566DD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #566DD2

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566DD2	#FFFFFF	#000000	##FFFFFF
##566DD2	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7AD6

Deuteranopia (green-blind)

#256FD0

Tritanopia (blue-blind)

#008495

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #566dd2;
/* rgb */ color: rgb(86, 109, 210);
/* oklch */ color: oklch(56.8% 0.157 271.0);

Tailwind

colors: {
  custom: {
    50: '#9096e0',
    500: '#566dd2',
    950: '#000000',
  },
}

SCSS

$custom: #566dd2;
$custom-light: #9096e0;
$custom-dark: #000000;

JSON

{
  "hex": "#566dd2",
  "rgb": {
    "r": 86,
    "g": 109,
    "b": 210
  },
  "hsl": {
    "h": 228.871,
    "s": 57.944,
    "l": 58.039
  },
  "oklch": {
    "l": 0.56821,
    "c": 0.15679,
    "h": 271
  },
  "luminance": 0.17569
}

Semantic roles & 50–950 ramp

primary

#566DD2

secondary

#DBD1A9

accent

#C547E1

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #566DD2

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

Preview Lab → · Contrast checker → · Palette generator →