#566BCA#566BCA

#566BCA is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.9% C 0.148 H 271.5°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#566BCA
RGB	rgb(86, 107, 202)
HSL	hsl(229, 52%, 56%)
HSV	hsv(229, 57%, 79%)
CMYK	cmyk(57.4%, 47%, 0%, 20.8%)
CIE-LAB	lab(47.95, 20.51, -51.92)
CIE-LCH	lch(47.95, 55.82, 291.56°)
OKLab	oklab(55.89% 0.0039 -0.1481)
OKLCH	oklch(55.89% 0.148 271.5)
XYZ	xyz(19.7526, 16.7566, 58.0591)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566BCA #CAB556

analogous

#56A5CA #566BCA #7B56CA

triadic

#566BCA #CA566B #6BCA56

tetradic

#566BCA #CA56A5 #CAB556 #56CA7B

square

#566BCA #CA56A5 #CAB556 #56CA7B

split-complementary

#566BCA #CA7B56 #A5CA56

monochromatic

#28377E #364CAD #566BCA #8594D9 #B3BDE7

Accessibility & contrast

On white

4.83

#566BCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#566BCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566BCA

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566BCA	#FFFFFF	#000000	##FFFFFF
##566BCA	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E77CE

Deuteranopia (green-blind)

#2D6DC8

Tritanopia (blue-blind)

#008091

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #566bca;
/* rgb */ color: rgb(86, 107, 202);
/* oklch */ color: oklch(55.9% 0.148 271.5);

Tailwind

colors: {
  custom: {
    50: '#8f95db',
    500: '#566bca',
    950: '#000000',
  },
}

SCSS

$custom: #566bca;
$custom-light: #8f95db;
$custom-dark: #000000;

JSON

{
  "hex": "#566bca",
  "rgb": {
    "r": 86,
    "g": 107,
    "b": 202
  },
  "hsl": {
    "h": 229.138,
    "s": 52.252,
    "l": 56.471
  },
  "oklch": {
    "l": 0.55893,
    "c": 0.14819,
    "h": 271.5
  },
  "luminance": 0.16758
}

Semantic roles & 50–950 ramp

primary

#566BCA

secondary

#D6CDA6

accent

#C24CDC

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #566BCA

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

Preview Lab → · Contrast checker → · Palette generator →