#566BDE#566BDE

#566BDE is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.3% C 0.176 H 271.9°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#566BDE
RGB	rgb(86, 107, 222)
HSL	hsl(231, 67%, 60%)
HSV	hsv(231, 61%, 87%)
CMYK	cmyk(61.3%, 51.8%, 0%, 12.9%)
CIE-LAB	lab(49.21, 27.19, -61.28)
CIE-LCH	lch(49.21, 67.04, 293.93°)
OKLab	oklab(57.25% 0.0059 -0.1757)
OKLCH	oklch(57.25% 0.176 271.9)
XYZ	xyz(22.2759, 17.7659, 71.3484)
Luminance	0.1777 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566BDE #DEC956

analogous

#56AFDE #566BDE #8556DE

triadic

#566BDE #DE566B #6BDE56

tetradic

#566BDE #DE56AF #DEC956 #56DE85

square

#566BDE #DE56AF #DEC956 #56DE85

split-complementary

#566BDE #DE8556 #AFDE56

monochromatic

#1E329B #2842CE #566BDE #8998E8 #BCC5F2

Accessibility & contrast

On white

4.61

#566BDE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#566BDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #566BDE

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566BDE	#FFFFFF	#000000	##FFFFFF
##566BDE	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#267BE2

Deuteranopia (green-blind)

#006FDC

Tritanopia (blue-blind)

#00869A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #566bde;
/* rgb */ color: rgb(86, 107, 222);
/* oklch */ color: oklch(57.3% 0.176 271.9);

Tailwind

colors: {
  custom: {
    50: '#9295e9',
    500: '#566bde',
    950: '#000000',
  },
}

SCSS

$custom: #566bde;
$custom-light: #9295e9;
$custom-dark: #000000;

JSON

{
  "hex": "#566bde",
  "rgb": {
    "r": 86,
    "g": 107,
    "b": 222
  },
  "hsl": {
    "h": 230.735,
    "s": 67.327,
    "l": 60.392
  },
  "oklch": {
    "l": 0.5725,
    "c": 0.17578,
    "h": 271.9
  },
  "luminance": 0.17768
}

Semantic roles & 50–950 ramp

primary

#566BDE

secondary

#E2DAAE

accent

#B316CF

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566BDE

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

Preview Lab → · Contrast checker → · Palette generator →