#566AB2#566AB2

#566AB2 is a mid, moderate blue. Relative luminance 0.155; OKLCH L 54.2% C 0.115 H 270.5°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#566AB2
RGB	rgb(86, 106, 178)
HSL	hsl(227, 37%, 52%)
HSV	hsv(227, 52%, 70%)
CMYK	cmyk(51.7%, 40.4%, 0%, 30.2%)
CIE-LAB	lab(46.31, 13.27, -40.66)
CIE-LCH	lch(46.31, 42.77, 288.07°)
OKLab	oklab(54.19% 0.001 -0.1151)
OKLCH	oklch(54.19% 0.115 270.5)
XYZ	xyz(17.0251, 15.4997, 44.2055)
Luminance	0.1550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566AB2 #B29E56

analogous

#5698B2 #566AB2 #7056B2

triadic

#566AB2 #B2566A #6AB256

tetradic

#566AB2 #B25698 #B29E56 #56B270

square

#566AB2 #B25698 #B29E56 #56B270

split-complementary

#566AB2 #B27056 #98B256

monochromatic

#2C3861 #3F508B #566AB2 #808FC5 #AAB4D8

Accessibility & contrast

On white

5.12

#566AB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#566AB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566AB2

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566AB2	#FFFFFF	#000000	##FFFFFF
##566AB2	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D72B5

Deuteranopia (green-blind)

#436AB0

Tritanopia (blue-blind)

#2D7985

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #566ab2;
/* rgb */ color: rgb(86, 106, 178);
/* oklch */ color: oklch(54.2% 0.115 270.5);

Tailwind

colors: {
  custom: {
    50: '#8b94c9',
    500: '#566ab2',
    950: '#000000',
  },
}

SCSS

$custom: #566ab2;
$custom-light: #8b94c9;
$custom-dark: #000000;

JSON

{
  "hex": "#566ab2",
  "rgb": {
    "r": 86,
    "g": 106,
    "b": 178
  },
  "hsl": {
    "h": 226.957,
    "s": 37.398,
    "l": 51.765
  },
  "oklch": {
    "l": 0.54194,
    "c": 0.11513,
    "h": 270.5
  },
  "luminance": 0.15501
}

Semantic roles & 50–950 ramp

primary

#566AB2

secondary

#C6BD9E

accent

#B45ACD

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #566AB2

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

Preview Lab → · Contrast checker → · Palette generator →