#566CC0#566CC0

#566CC0 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.5% C 0.133 H 270.5°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#566CC0
RGB	rgb(86, 108, 192)
HSL	hsl(228, 46%, 55%)
HSV	hsv(228, 55%, 75%)
CMYK	cmyk(55.2%, 43.7%, 0%, 24.7%)
CIE-LAB	lab(47.63, 16.58, -46.68)
CIE-LCH	lch(47.63, 49.53, 289.56°)
OKLab	oklab(55.46% 0.0012 -0.1327)
OKLCH	oklch(55.46% 0.133 270.5)
XYZ	xyz(18.7116, 16.5080, 52.0593)
Luminance	0.1651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566CC0 #C0AA56

analogous

#56A1C0 #566CC0 #7556C0

triadic

#566CC0 #C0566C #6CC056

tetradic

#566CC0 #C056A1 #C0AA56 #56C075

square

#566CC0 #C056A1 #C0AA56 #56C075

split-complementary

#566CC0 #C07556 #A1C056

monochromatic

#2A3971 #3B4F9E #566CC0 #8393D1 #AFBAE1

Accessibility & contrast

On white

4.88

#566CC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#566CC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566CC0

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566CC0	#FFFFFF	#000000	##FFFFFF
##566CC0	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4876C3

Deuteranopia (green-blind)

#3B6DBE

Tritanopia (blue-blind)

#1B7E8D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #566cc0;
/* rgb */ color: rgb(86, 108, 192);
/* oklch */ color: oklch(55.5% 0.133 270.5);

Tailwind

colors: {
  custom: {
    50: '#8d95d3',
    500: '#566cc0',
    950: '#000000',
  },
}

SCSS

$custom: #566cc0;
$custom-light: #8d95d3;
$custom-dark: #000000;

JSON

{
  "hex": "#566cc0",
  "rgb": {
    "r": 86,
    "g": 108,
    "b": 192
  },
  "hsl": {
    "h": 227.547,
    "s": 45.69,
    "l": 54.51
  },
  "oklch": {
    "l": 0.55461,
    "c": 0.13275,
    "h": 270.5
  },
  "luminance": 0.16509
}

Semantic roles & 50–950 ramp

primary

#566CC0

secondary

#CFC6A2

accent

#BA52D5

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #566CC0

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

Preview Lab → · Contrast checker → · Palette generator →