#566FB4#566FB4

#566FB4 is a mid, moderate blue. Relative luminance 0.166; OKLCH L 55.4% C 0.112 H 267.6°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#566FB4
RGB	rgb(86, 111, 180)
HSL	hsl(224, 39%, 52%)
HSV	hsv(224, 52%, 71%)
CMYK	cmyk(52.2%, 38.3%, 0%, 29.4%)
CIE-LAB	lab(47.80, 10.82, -39.46)
CIE-LCH	lch(47.80, 40.91, 285.33°)
OKLab	oklab(55.38% -0.0046 -0.1116)
OKLCH	oklch(55.38% 0.112 267.6)
XYZ	xyz(17.7577, 16.6414, 45.4475)
Luminance	0.1664 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566FB4 #B49B56

analogous

#569EB4 #566FB4 #6C56B4

triadic

#566FB4 #B4566F #6FB456

tetradic

#566FB4 #B4569E #B49B56 #56B46C

square

#566FB4 #B4569E #B49B56 #56B46C

split-complementary

#566FB4 #B46C56 #9EB456

monochromatic

#2C3B63 #3F548E #566FB4 #8093C7 #ABB7DA

Accessibility & contrast

On white

4.85

#566FB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#566FB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566FB4

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566FB4	#FFFFFF	#000000	##FFFFFF
##566FB4	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5476B7

Deuteranopia (green-blind)

#496EB2

Tritanopia (blue-blind)

#2A7E89

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #566fb4;
/* rgb */ color: rgb(86, 111, 180);
/* oklch */ color: oklch(55.4% 0.112 267.6);

Tailwind

colors: {
  custom: {
    50: '#8c98cb',
    500: '#566fb4',
    950: '#000000',
  },
}

SCSS

$custom: #566fb4;
$custom-light: #8c98cb;
$custom-dark: #000000;

JSON

{
  "hex": "#566fb4",
  "rgb": {
    "r": 86,
    "g": 111,
    "b": 180
  },
  "hsl": {
    "h": 224.043,
    "s": 38.525,
    "l": 52.157
  },
  "oklch": {
    "l": 0.55379,
    "c": 0.11168,
    "h": 267.6
  },
  "luminance": 0.16643
}

Semantic roles & 50–950 ramp

primary

#566FB4

secondary

#C7BD9E

accent

#AF59CE

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #566FB4

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

Preview Lab → · Contrast checker → · Palette generator →