#566CD9#566CD9

#566CD9 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 57.1% C 0.168 H 271.5°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#566CD9
RGB	rgb(86, 108, 217)
HSL	hsl(230, 63%, 59%)
HSV	hsv(230, 60%, 85%)
CMYK	cmyk(60.4%, 50.2%, 0%, 14.9%)
CIE-LAB	lab(49.14, 24.90, -58.56)
CIE-LCH	lch(49.14, 63.63, 293.03°)
OKLab	oklab(57.1% 0.0045 -0.1676)
OKLCH	oklch(57.1% 0.168 271.5)
XYZ	xyz(21.7205, 17.7115, 67.9062)
Luminance	0.1771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566CD9 #D9C356

analogous

#56ADD9 #566CD9 #8256D9

triadic

#566CD9 #D9566C #6CD956

tetradic

#566CD9 #D956AD #D9C356 #56D982

square

#566CD9 #D956AD #D9C356 #56D982

split-complementary

#566CD9 #D98256 #ADD956

monochromatic

#213493 #2C46C5 #566CD9 #8897E4 #BAC3EF

Accessibility & contrast

On white

4.62

#566CD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#566CD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #566CD9

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566CD9	#FFFFFF	#000000	##FFFFFF
##566CD9	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#307BDD

Deuteranopia (green-blind)

#106FD7

Tritanopia (blue-blind)

#008598

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #566cd9;
/* rgb */ color: rgb(86, 108, 217);
/* oklch */ color: oklch(57.1% 0.168 271.5);

Tailwind

colors: {
  custom: {
    50: '#9195e5',
    500: '#566cd9',
    950: '#000000',
  },
}

SCSS

$custom: #566cd9;
$custom-light: #9195e5;
$custom-dark: #000000;

JSON

{
  "hex": "#566cd9",
  "rgb": {
    "r": 86,
    "g": 108,
    "b": 217
  },
  "hsl": {
    "h": 229.924,
    "s": 63.285,
    "l": 59.412
  },
  "oklch": {
    "l": 0.57096,
    "c": 0.16771,
    "h": 271.5
  },
  "luminance": 0.17713
}

Semantic roles & 50–950 ramp

primary

#566CD9

secondary

#DFD6AC

accent

#CB41E6

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566CD9

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

Preview Lab → · Contrast checker → · Palette generator →