#566FDA#566FDA

#566FDA is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.8% C 0.165 H 270.6°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#566FDA
RGB	rgb(86, 111, 218)
HSL	hsl(229, 64%, 60%)
HSV	hsv(229, 61%, 85%)
CMYK	cmyk(60.6%, 49.1%, 0%, 14.5%)
CIE-LAB	lab(49.99, 23.37, -57.77)
CIE-LCH	lch(49.99, 62.32, 292.03°)
OKLab	oklab(57.75% 0.0017 -0.1653)
OKLCH	oklch(57.75% 0.165 270.6)
XYZ	xyz(22.1728, 18.4074, 68.7006)
Luminance	0.1841 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566FDA #DAC156

analogous

#56B1DA #566FDA #7F56DA

triadic

#566FDA #DA566F #6FDA56

tetradic

#566FDA #DA56B1 #DAC156 #56DA7F

square

#566FDA #DA56B1 #DAC156 #56DA7F

split-complementary

#566FDA #DA7F56 #B1DA56

monochromatic

#213795 #2C49C7 #566FDA #889AE5 #BAC5F0

Accessibility & contrast

On white

4.49

#566FDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#566FDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566FDA

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566FDA	#FFFFFF	#000000	##000000
##566FDA	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#377DDE

Deuteranopia (green-blind)

#1B71D8

Tritanopia (blue-blind)

#00879A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #566fda;
/* rgb */ color: rgb(86, 111, 218);
/* oklch */ color: oklch(57.8% 0.165 270.6);

Tailwind

colors: {
  custom: {
    50: '#9198e6',
    500: '#566fda',
    950: '#000000',
  },
}

SCSS

$custom: #566fda;
$custom-light: #9198e6;
$custom-dark: #000000;

JSON

{
  "hex": "#566fda",
  "rgb": {
    "r": 86,
    "g": 111,
    "b": 218
  },
  "hsl": {
    "h": 228.636,
    "s": 64.078,
    "l": 59.608
  },
  "oklch": {
    "l": 0.57754,
    "c": 0.16531,
    "h": 270.6
  },
  "luminance": 0.18409
}

Semantic roles & 50–950 ramp

primary

#566FDA

secondary

#E0D6AC

accent

#C841E7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566FDA

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

Preview Lab → · Contrast checker → · Palette generator →