#566DEF#566DEF

#566DEF is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.9% C 0.196 H 271.5°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#566DEF
RGB	rgb(86, 109, 239)
HSL	hsl(231, 83%, 64%)
HSV	hsv(231, 64%, 94%)
CMYK	cmyk(64%, 54.4%, 0%, 6.3%)
CIE-LAB	lab(50.86, 31.67, -68.18)
CIE-LCH	lch(50.86, 75.18, 294.92°)
OKLab	oklab(58.85% 0.0051 -0.196)
OKLCH	oklch(58.85% 0.196 271.5)
XYZ	xyz(24.8811, 19.1455, 84.0289)
Luminance	0.1915 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566DEF #EFD856

analogous

#56BAEF #566DEF #8B56EF

triadic

#566DEF #EF566D #6DEF56

tetradic

#566DEF #EF56BA #EFD856 #56EF8B

square

#566DEF #EF56BA #EFD856 #56EF8B

split-complementary

#566DEF #EF8B56 #BAEF56

monochromatic

#122BB9 #1E3DEA #566DEF #8E9DF4 #C6CEFA

Accessibility & contrast

On white

4.35

#566DEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#566DEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566DEF

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566DEF	#FFFFFF	#000000	##000000
##566DEF	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0080F3

Deuteranopia (green-blind)

#0072EC

Tritanopia (blue-blind)

#008CA3

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #566def;
/* rgb */ color: rgb(86, 109, 239);
/* oklch */ color: oklch(58.9% 0.196 271.5);

Tailwind

colors: {
  custom: {
    50: '#9596f5',
    500: '#566def',
    950: '#000000',
  },
}

SCSS

$custom: #566def;
$custom-light: #9596f5;
$custom-dark: #000000;

JSON

{
  "hex": "#566def",
  "rgb": {
    "r": 86,
    "g": 109,
    "b": 239
  },
  "hsl": {
    "h": 230.98,
    "s": 82.703,
    "l": 63.725
  },
  "oklch": {
    "l": 0.58851,
    "c": 0.19602,
    "h": 271.5
  },
  "luminance": 0.19148
}

Semantic roles & 50–950 ramp

primary

#566DEF

secondary

#EBE3B5

accent

#BF06DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0F0D17

muted

#7E7E85

Preview Lab

Preview with #566DEF

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

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