#566BEE#566BEE

#566BEE is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.4% C 0.197 H 272.0°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#566BEE
RGB	rgb(86, 107, 238)
HSL	hsl(232, 82%, 64%)
HSV	hsv(232, 64%, 93%)
CMYK	cmyk(63.9%, 55%, 0%, 6.7%)
CIE-LAB	lab(50.29, 32.56, -68.54)
CIE-LCH	lch(50.29, 75.88, 295.41°)
OKLab	oklab(58.41% 0.0068 -0.197)
OKLCH	oklch(58.41% 0.197 272)
XYZ	xyz(24.5229, 18.6647, 83.1827)
Luminance	0.1867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566BEE #EED956

analogous

#56B7EE #566BEE #8D56EE

triadic

#566BEE #EE566B #6BEE56

tetradic

#566BEE #EE56B7 #EED956 #56EE8D

square

#566BEE #EE56B7 #EED956 #56EE8D

split-complementary

#566BEE #EE8D56 #B7EE56

monochromatic

#1229B7 #1E3AE8 #566BEE #8E9CF4 #C5CCF9

Accessibility & contrast

On white

4.44

#566BEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#566BEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566BEE

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566BEE	#FFFFFF	#000000	##000000
##566BEE	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007FF2

Deuteranopia (green-blind)

#0071EB

Tritanopia (blue-blind)

#008AA2

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #566bee;
/* rgb */ color: rgb(86, 107, 238);
/* oklch */ color: oklch(58.4% 0.197 272.0);

Tailwind

colors: {
  custom: {
    50: '#9595f4',
    500: '#566bee',
    950: '#000000',
  },
}

SCSS

$custom: #566bee;
$custom-light: #9595f4;
$custom-dark: #000000;

JSON

{
  "hex": "#566bee",
  "rgb": {
    "r": 86,
    "g": 107,
    "b": 238
  },
  "hsl": {
    "h": 231.711,
    "s": 81.72,
    "l": 63.529
  },
  "oklch": {
    "l": 0.58406,
    "c": 0.19714,
    "h": 272
  },
  "luminance": 0.18667
}

Semantic roles & 50–950 ramp

primary

#566BEE

secondary

#EBE3B5

accent

#C007DE

background

#F9F9FF

surface

#F2F1FE

border

#CCCBD6

text

#0F0D17

muted

#7E7E85

Preview Lab

Preview with #566BEE

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

Preview Lab → · Contrast checker → · Palette generator →