#566CCC#566CCC

#566CCC is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.2% C 0.150 H 271.2°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#566CCC
RGB	rgb(86, 108, 204)
HSL	hsl(229, 54%, 57%)
HSV	hsv(229, 58%, 80%)
CMYK	cmyk(57.8%, 47.1%, 0%, 20%)
CIE-LAB	lab(48.34, 20.55, -52.45)
CIE-LCH	lch(48.34, 56.33, 291.40°)
OKLab	oklab(56.23% 0.0031 -0.1497)
OKLCH	oklch(56.23% 0.15 271.2)
XYZ	xyz(20.0958, 17.0616, 59.3493)
Luminance	0.1706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566CCC #CCB656

analogous

#56A7CC #566CCC #7B56CC

triadic

#566CCC #CC566C #6CCC56

tetradic

#566CCC #CC56A7 #CCB656 #56CC7B

square

#566CCC #CC56A7 #CCB656 #56CC7B

split-complementary

#566CCC #CC7B56 #A7CC56

monochromatic

#273881 #354CB0 #566CCC #8595DA #B4BEE8

Accessibility & contrast

On white

4.76

#566CCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#566CCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566CCC

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566CCC	#FFFFFF	#000000	##FFFFFF
##566CCC	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E78D0

Deuteranopia (green-blind)

#2C6ECA

Tritanopia (blue-blind)

#008292

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #566ccc;
/* rgb */ color: rgb(86, 108, 204);
/* oklch */ color: oklch(56.2% 0.150 271.2);

Tailwind

colors: {
  custom: {
    50: '#8f95dc',
    500: '#566ccc',
    950: '#000000',
  },
}

SCSS

$custom: #566ccc;
$custom-light: #8f95dc;
$custom-dark: #000000;

JSON

{
  "hex": "#566ccc",
  "rgb": {
    "r": 86,
    "g": 108,
    "b": 204
  },
  "hsl": {
    "h": 228.814,
    "s": 53.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.56225,
    "c": 0.14971,
    "h": 271.2
  },
  "luminance": 0.17063
}

Semantic roles & 50–950 ramp

primary

#566CCC

secondary

#D7CEA7

accent

#C24BDD

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #566CCC

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

Preview Lab → · Contrast checker → · Palette generator →