#566CD0#566CD0

#566CD0 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.5% C 0.155 H 271.3°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#566CD0
RGB	rgb(86, 108, 208)
HSL	hsl(229, 56%, 58%)
HSV	hsv(229, 59%, 82%)
CMYK	cmyk(58.7%, 48.1%, 0%, 18.4%)
CIE-LAB	lab(48.58, 21.88, -54.34)
CIE-LCH	lch(48.58, 58.58, 291.94°)
OKLab	oklab(56.49% 0.0036 -0.1552)
OKLCH	oklch(56.49% 0.155 271.3)
XYZ	xyz(20.5817, 17.2560, 61.9084)
Luminance	0.1726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566CD0 #D0BA56

analogous

#56A9D0 #566CD0 #7D56D0

triadic

#566CD0 #D0566C #6CD056

tetradic

#566CD0 #D056A9 #D0BA56 #56D07D

square

#566CD0 #D056A9 #D0BA56 #56D07D

split-complementary

#566CD0 #D07D56 #A9D056

monochromatic

#253786 #334AB6 #566CD0 #8696DD #B6BFEB

Accessibility & contrast

On white

4.72

#566CD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#566CD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566CD0

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566CD0	#FFFFFF	#000000	##FFFFFF
##566CD0	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A79D4

Deuteranopia (green-blind)

#266ECE

Tritanopia (blue-blind)

#008394

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #566cd0;
/* rgb */ color: rgb(86, 108, 208);
/* oklch */ color: oklch(56.5% 0.155 271.3);

Tailwind

colors: {
  custom: {
    50: '#9095df',
    500: '#566cd0',
    950: '#000000',
  },
}

SCSS

$custom: #566cd0;
$custom-light: #9095df;
$custom-dark: #000000;

JSON

{
  "hex": "#566cd0",
  "rgb": {
    "r": 86,
    "g": 108,
    "b": 208
  },
  "hsl": {
    "h": 229.18,
    "s": 56.481,
    "l": 57.647
  },
  "oklch": {
    "l": 0.56489,
    "c": 0.15529,
    "h": 271.3
  },
  "luminance": 0.17258
}

Semantic roles & 50–950 ramp

primary

#566CD0

secondary

#D9D1A8

accent

#C448E0

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #566CD0

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

Preview Lab → · Contrast checker → · Palette generator →