#566FDE#566FDE

#566FDE is a mid, vivid blue. Relative luminance 0.186; OKLCH L 58.0% C 0.171 H 270.7°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#566FDE
RGB	rgb(86, 111, 222)
HSL	hsl(229, 67%, 60%)
HSV	hsv(229, 61%, 87%)
CMYK	cmyk(61.3%, 50%, 0%, 12.9%)
CIE-LAB	lab(50.24, 24.72, -59.63)
CIE-LCH	lch(50.24, 64.55, 292.52°)
OKLab	oklab(58.03% 0.0021 -0.1708)
OKLCH	oklch(58.03% 0.171 270.7)
XYZ	xyz(22.7026, 18.6193, 71.4906)
Luminance	0.1862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566FDE #DEC556

analogous

#56B3DE #566FDE #8156DE

triadic

#566FDE #DE566F #6FDE56

tetradic

#566FDE #DE56B3 #DEC556 #56DE81

square

#566FDE #DE56B3 #DEC556 #56DE81

split-complementary

#566FDE #DE8156 #B3DE56

monochromatic

#1E359B #2847CE #566FDE #899BE8 #BCC6F2

Accessibility & contrast

On white

4.45

#566FDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#566FDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566FDE

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566FDE	#FFFFFF	#000000	##000000
##566FDE	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#327EE2

Deuteranopia (green-blind)

#0E72DC

Tritanopia (blue-blind)

#00899C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #566fde;
/* rgb */ color: rgb(86, 111, 222);
/* oklch */ color: oklch(58.0% 0.171 270.7);

Tailwind

colors: {
  custom: {
    50: '#9298e9',
    500: '#566fde',
    950: '#000000',
  },
}

SCSS

$custom: #566fde;
$custom-light: #9298e9;
$custom-dark: #000000;

JSON

{
  "hex": "#566fde",
  "rgb": {
    "r": 86,
    "g": 111,
    "b": 222
  },
  "hsl": {
    "h": 228.971,
    "s": 67.327,
    "l": 60.392
  },
  "oklch": {
    "l": 0.58026,
    "c": 0.17077,
    "h": 270.7
  },
  "luminance": 0.18621
}

Semantic roles & 50–950 ramp

primary

#566FDE

secondary

#E2D8AE

accent

#AD16CF

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566FDE

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

Preview Lab → · Contrast checker → · Palette generator →