#566CD3#566CD3

#566CD3 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.7% C 0.159 H 271.4°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#566CD3
RGB	rgb(86, 108, 211)
HSL	hsl(229, 59%, 58%)
HSV	hsv(229, 59%, 83%)
CMYK	cmyk(59.2%, 48.8%, 0%, 17.3%)
CIE-LAB	lab(48.77, 22.89, -55.76)
CIE-LCH	lch(48.77, 60.27, 292.32°)
OKLab	oklab(56.69% 0.0039 -0.1594)
OKLCH	oklch(56.69% 0.159 271.4)
XYZ	xyz(20.9543, 17.4050, 63.8707)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566CD3 #D3BD56

analogous

#56AAD3 #566CD3 #7E56D3

triadic

#566CD3 #D3566C #6CD356

tetradic

#566CD3 #D356AA #D3BD56 #56D37E

square

#566CD3 #D356AA #D3BD56 #56D37E

split-complementary

#566CD3 #D37E56 #AAD356

monochromatic

#24368B #3149BB #566CD3 #8796E0 #B7C0EC

Accessibility & contrast

On white

4.69

#566CD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#566CD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566CD3

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566CD3	#FFFFFF	#000000	##FFFFFF
##566CD3	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#377AD7

Deuteranopia (green-blind)

#206FD1

Tritanopia (blue-blind)

#008395

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #566cd3;
/* rgb */ color: rgb(86, 108, 211);
/* oklch */ color: oklch(56.7% 0.159 271.4);

Tailwind

colors: {
  custom: {
    50: '#9095e1',
    500: '#566cd3',
    950: '#000000',
  },
}

SCSS

$custom: #566cd3;
$custom-light: #9095e1;
$custom-dark: #000000;

JSON

{
  "hex": "#566cd3",
  "rgb": {
    "r": 86,
    "g": 108,
    "b": 211
  },
  "hsl": {
    "h": 229.44,
    "s": 58.685,
    "l": 58.235
  },
  "oklch": {
    "l": 0.56689,
    "c": 0.15946,
    "h": 271.4
  },
  "luminance": 0.17407
}

Semantic roles & 50–950 ramp

primary

#566CD3

secondary

#DBD3AA

accent

#C646E2

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #566CD3

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

Preview Lab → · Contrast checker → · Palette generator →