#566FCA#566FCA

#566FCA is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.7% C 0.143 H 269.8°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#566FCA
RGB	rgb(86, 111, 202)
HSL	hsl(227, 52%, 56%)
HSV	hsv(227, 57%, 79%)
CMYK	cmyk(57.4%, 45%, 0%, 20.8%)
CIE-LAB	lab(49.02, 18.02, -50.21)
CIE-LCH	lch(49.02, 53.35, 289.75°)
OKLab	oklab(56.71% -0.0004 -0.1431)
OKLCH	oklch(56.71% 0.143 269.8)
XYZ	xyz(20.1793, 17.6100, 58.2014)
Luminance	0.1761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566FCA #CAB156

analogous

#56A9CA #566FCA #7756CA

triadic

#566FCA #CA566F #6FCA56

tetradic

#566FCA #CA56A9 #CAB156 #56CA77

square

#566FCA #CA56A9 #CAB156 #56CA77

split-complementary

#566FCA #CA7756 #A9CA56

monochromatic

#283A7E #3650AD #566FCA #8597D9 #B3BEE7

Accessibility & contrast

On white

4.64

#566FCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#566FCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #566FCA

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566FCA	#FFFFFF	#000000	##FFFFFF
##566FCA	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467ACD

Deuteranopia (green-blind)

#3670C8

Tritanopia (blue-blind)

#008393

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #566fca;
/* rgb */ color: rgb(86, 111, 202);
/* oklch */ color: oklch(56.7% 0.143 269.8);

Tailwind

colors: {
  custom: {
    50: '#8f98db',
    500: '#566fca',
    950: '#000000',
  },
}

SCSS

$custom: #566fca;
$custom-light: #8f98db;
$custom-dark: #000000;

JSON

{
  "hex": "#566fca",
  "rgb": {
    "r": 86,
    "g": 111,
    "b": 202
  },
  "hsl": {
    "h": 227.069,
    "s": 52.252,
    "l": 56.471
  },
  "oklch": {
    "l": 0.56707,
    "c": 0.14308,
    "h": 269.8
  },
  "luminance": 0.17612
}

Semantic roles & 50–950 ramp

primary

#566FCA

secondary

#D6CBA6

accent

#BD4CDC

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #566FCA

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

Preview Lab → · Contrast checker → · Palette generator →