#566FC4#566FC4

#566FC4 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.3% C 0.135 H 269.4°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#566FC4
RGB	rgb(86, 111, 196)
HSL	hsl(226, 48%, 55%)
HSV	hsv(226, 56%, 77%)
CMYK	cmyk(56.1%, 43.4%, 0%, 23.1%)
CIE-LAB	lab(48.67, 16.04, -47.32)
CIE-LCH	lch(48.67, 49.96, 288.72°)
OKLab	oklab(56.33% -0.0014 -0.1346)
OKLCH	oklch(56.33% 0.135 269.4)
XYZ	xyz(19.4827, 17.3314, 54.5325)
Luminance	0.1733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566FC4 #C4AB56

analogous

#56A6C4 #566FC4 #7456C4

triadic

#566FC4 #C4566F #6FC456

tetradic

#566FC4 #C456A6 #C4AB56 #56C474

square

#566FC4 #C456A6 #C4AB56 #56C474

split-complementary

#566FC4 #C47456 #A6C456

monochromatic

#293B76 #3951A4 #566FC4 #8396D4 #B1BCE4

Accessibility & contrast

On white

4.70

#566FC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#566FC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566FC4

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566FC4	#FFFFFF	#000000	##FFFFFF
##566FC4	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A79C7

Deuteranopia (green-blind)

#3C6FC2

Tritanopia (blue-blind)

#128290

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #566fc4;
/* rgb */ color: rgb(86, 111, 196);
/* oklch */ color: oklch(56.3% 0.135 269.4);

Tailwind

colors: {
  custom: {
    50: '#8e98d6',
    500: '#566fc4',
    950: '#000000',
  },
}

SCSS

$custom: #566fc4;
$custom-light: #8e98d6;
$custom-dark: #000000;

JSON

{
  "hex": "#566fc4",
  "rgb": {
    "r": 86,
    "g": 111,
    "b": 196
  },
  "hsl": {
    "h": 226.364,
    "s": 48.246,
    "l": 55.294
  },
  "oklch": {
    "l": 0.56331,
    "c": 0.1346,
    "h": 269.4
  },
  "luminance": 0.17333
}

Semantic roles & 50–950 ramp

primary

#566FC4

secondary

#D2C7A4

accent

#B950D8

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #566FC4

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

Preview Lab → · Contrast checker → · Palette generator →