#566EE3#566EE3

#566EE3 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.2% C 0.179 H 271.1°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#566EE3
RGB	rgb(86, 110, 227)
HSL	hsl(230, 72%, 61%)
HSV	hsv(230, 62%, 89%)
CMYK	cmyk(62.1%, 51.5%, 0%, 11%)
CIE-LAB	lab(50.30, 27.02, -62.34)
CIE-LCH	lch(50.30, 67.94, 293.43°)
OKLab	oklab(58.18% 0.0035 -0.1788)
OKLCH	oklch(58.18% 0.179 271.1)
XYZ	xyz(23.2742, 18.6744, 75.0362)
Luminance	0.1868 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566EE3 #E3CB56

analogous

#56B5E3 #566EE3 #8556E3

triadic

#566EE3 #E3566E #6EE356

tetradic

#566EE3 #E356B5 #E3CB56 #56E385

square

#566EE3 #E356B5 #E3CB56 #56E385

split-complementary

#566EE3 #E38556 #B5E356

monochromatic

#1B32A4 #2442D8 #566EE3 #8B9BEC #BFC8F4

Accessibility & contrast

On white

4.43

#566EE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#566EE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566EE3

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566EE3	#FFFFFF	#000000	##000000
##566EE3	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#287EE7

Deuteranopia (green-blind)

#0072E1

Tritanopia (blue-blind)

#00899E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #566ee3;
/* rgb */ color: rgb(86, 110, 227);
/* oklch */ color: oklch(58.2% 0.179 271.1);

Tailwind

colors: {
  custom: {
    50: '#9397ec',
    500: '#566ee3',
    950: '#000000',
  },
}

SCSS

$custom: #566ee3;
$custom-light: #9397ec;
$custom-dark: #000000;

JSON

{
  "hex": "#566ee3",
  "rgb": {
    "r": 86,
    "g": 110,
    "b": 227
  },
  "hsl": {
    "h": 229.787,
    "s": 71.574,
    "l": 61.373
  },
  "oklch": {
    "l": 0.58179,
    "c": 0.17879,
    "h": 271.1
  },
  "luminance": 0.18676
}

Semantic roles & 50–950 ramp

primary

#566EE3

secondary

#E5DCB0

accent

#B312D4

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566EE3

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

Preview Lab → · Contrast checker → · Palette generator →