#566AB3#566AB3

#566AB3 is a mid, moderate blue. Relative luminance 0.155; OKLCH L 54.3% C 0.117 H 270.6°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#566AB3
RGB	rgb(86, 106, 179)
HSL	hsl(227, 38%, 52%)
HSV	hsv(227, 52%, 70%)
CMYK	cmyk(52%, 40.8%, 0%, 29.8%)
CIE-LAB	lab(46.37, 13.59, -41.16)
CIE-LCH	lch(46.37, 43.34, 288.27°)
OKLab	oklab(54.25% 0.0012 -0.1166)
OKLCH	oklch(54.25% 0.117 270.6)
XYZ	xyz(17.1258, 15.5400, 44.7362)
Luminance	0.1554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566AB3 #B39F56

analogous

#5699B3 #566AB3 #7156B3

triadic

#566AB3 #B3566A #6AB356

tetradic

#566AB3 #B35699 #B39F56 #56B371

square

#566AB3 #B35699 #B39F56 #56B371

split-complementary

#566AB3 #B37156 #99B356

monochromatic

#2C3862 #3F508D #566AB3 #808FC6 #AAB4D9

Accessibility & contrast

On white

5.11

#566AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#566AB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566AB3

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566AB3	#FFFFFF	#000000	##FFFFFF
##566AB3	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D72B6

Deuteranopia (green-blind)

#436AB1

Tritanopia (blue-blind)

#2C7A86

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #566ab3;
/* rgb */ color: rgb(86, 106, 179);
/* oklch */ color: oklch(54.3% 0.117 270.6);

Tailwind

colors: {
  custom: {
    50: '#8c94ca',
    500: '#566ab3',
    950: '#000000',
  },
}

SCSS

$custom: #566ab3;
$custom-light: #8c94ca;
$custom-dark: #000000;

JSON

{
  "hex": "#566ab3",
  "rgb": {
    "r": 86,
    "g": 106,
    "b": 179
  },
  "hsl": {
    "h": 227.097,
    "s": 37.959,
    "l": 51.961
  },
  "oklch": {
    "l": 0.54253,
    "c": 0.1166,
    "h": 270.6
  },
  "luminance": 0.15541
}

Semantic roles & 50–950 ramp

primary

#566AB3

secondary

#C7BE9E

accent

#B55ACE

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #566AB3

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

Preview Lab → · Contrast checker → · Palette generator →