#566EA3#566EA3

#566EA3 is a mid, moderate blue. Relative luminance 0.158; OKLCH L 54.2% C 0.088 H 265.0°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#566EA3
RGB	rgb(86, 110, 163)
HSL	hsl(221, 31%, 49%)
HSV	hsv(221, 47%, 64%)
CMYK	cmyk(47.2%, 32.5%, 0%, 36.1%)
CIE-LAB	lab(46.68, 6.05, -31.31)
CIE-LCH	lch(46.68, 31.89, 280.94°)
OKLab	oklab(54.23% -0.0077 -0.0879)
OKLCH	oklch(54.23% 0.088 265)
XYZ	xyz(16.0224, 15.7737, 36.8436)
Luminance	0.1578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566EA3 #A38B56

analogous

#5695A3 #566EA3 #6556A3

triadic

#566EA3 #A3566E #6EA356

tetradic

#566EA3 #A35695 #A38B56 #56A365

square

#566EA3 #A35695 #A38B56 #56A365

split-complementary

#566EA3 #A36556 #95A356

monochromatic

#2C3853 #41537B #566EA3 #7C8FBA #A4B2CF

Accessibility & contrast

On white

5.05

#566EA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#566EA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566EA3

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566EA3	#FFFFFF	#000000	##FFFFFF
##566EA3	1.00	5.05	4.15	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A72A5

Deuteranopia (green-blind)

#526BA2

Tritanopia (blue-blind)

#387981

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #566ea3;
/* rgb */ color: rgb(86, 110, 163);
/* oklch */ color: oklch(54.2% 0.088 265.0);

Tailwind

colors: {
  custom: {
    50: '#8a97be',
    500: '#566ea3',
    950: '#000000',
  },
}

SCSS

$custom: #566ea3;
$custom-light: #8a97be;
$custom-dark: #000000;

JSON

{
  "hex": "#566ea3",
  "rgb": {
    "r": 86,
    "g": 110,
    "b": 163
  },
  "hsl": {
    "h": 221.299,
    "s": 30.924,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54227,
    "c": 0.0882,
    "h": 265
  },
  "luminance": 0.15775
}

Semantic roles & 50–950 ramp

primary

#566EA3

secondary

#BDB198

accent

#A761C7

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #566EA3

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

Preview Lab → · Contrast checker → · Palette generator →