#566CDF#566CDF

#566CDF is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.5% C 0.176 H 271.6°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#566CDF
RGB	rgb(86, 108, 223)
HSL	hsl(230, 68%, 61%)
HSV	hsv(230, 61%, 87%)
CMYK	cmyk(61.4%, 51.6%, 0%, 12.5%)
CIE-LAB	lab(49.53, 26.91, -61.33)
CIE-LCH	lch(49.53, 66.97, 293.69°)
OKLab	oklab(57.51% 0.005 -0.1758)
OKLCH	oklch(57.51% 0.176 271.6)
XYZ	xyz(22.5152, 18.0294, 72.0912)
Luminance	0.1803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566CDF #DFC956

analogous

#56B0DF #566CDF #8456DF

triadic

#566CDF #DF566C #6CDF56

tetradic

#566CDF #DF56B0 #DFC956 #56DF84

square

#566CDF #DF56B0 #DFC956 #56DF84

split-complementary

#566CDF #DF8456 #B0DF56

monochromatic

#1E329D #2743D0 #566CDF #8999E9 #BDC6F2

Accessibility & contrast

On white

4.56

#566CDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#566CDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566CDF

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566CDF	#FFFFFF	#000000	##000000
##566CDF	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#287CE3

Deuteranopia (green-blind)

#0070DD

Tritanopia (blue-blind)

#00879B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #566cdf;
/* rgb */ color: rgb(86, 108, 223);
/* oklch */ color: oklch(57.5% 0.176 271.6);

Tailwind

colors: {
  custom: {
    50: '#9295ea',
    500: '#566cdf',
    950: '#000000',
  },
}

SCSS

$custom: #566cdf;
$custom-light: #9295ea;
$custom-dark: #000000;

JSON

{
  "hex": "#566cdf",
  "rgb": {
    "r": 86,
    "g": 108,
    "b": 223
  },
  "hsl": {
    "h": 230.365,
    "s": 68.159,
    "l": 60.588
  },
  "oklch": {
    "l": 0.57513,
    "c": 0.17588,
    "h": 271.6
  },
  "luminance": 0.18031
}

Semantic roles & 50–950 ramp

primary

#566CDF

secondary

#E2DAAE

accent

#B215D0

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566CDF

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

Preview Lab → · Contrast checker → · Palette generator →