#566FE5#566FE5

#566FE5 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.5% C 0.180 H 270.9°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#566FE5
RGB	rgb(86, 111, 229)
HSL	hsl(230, 73%, 62%)
HSV	hsv(230, 62%, 90%)
CMYK	cmyk(62.4%, 51.5%, 0%, 10.2%)
CIE-LAB	lab(50.69, 27.07, -62.84)
CIE-LCH	lch(50.69, 68.43, 293.31°)
OKLab	oklab(58.51% 0.0027 -0.1802)
OKLCH	oklch(58.51% 0.18 270.9)
XYZ	xyz(23.6603, 19.0024, 76.5345)
Luminance	0.1900 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566FE5 #E5CC56

analogous

#56B7E5 #566FE5 #8456E5

triadic

#566FE5 #E5566F #6FE556

tetradic

#566FE5 #E556B7 #E5CC56 #56E584

square

#566FE5 #E556B7 #E5CC56 #56E584

split-complementary

#566FE5 #E58456 #B7E556

monochromatic

#1A32A7 #2242DC #566FE5 #8B9CED #C0C9F5

Accessibility & contrast

On white

4.37

#566FE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#566FE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566FE5

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566FE5	#FFFFFF	#000000	##000000
##566FE5	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#287FE9

Deuteranopia (green-blind)

#0073E3

Tritanopia (blue-blind)

#008B9F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #566fe5;
/* rgb */ color: rgb(86, 111, 229);
/* oklch */ color: oklch(58.5% 0.180 270.9);

Tailwind

colors: {
  custom: {
    50: '#9398ee',
    500: '#566fe5',
    950: '#000000',
  },
}

SCSS

$custom: #566fe5;
$custom-light: #9398ee;
$custom-dark: #000000;

JSON

{
  "hex": "#566fe5",
  "rgb": {
    "r": 86,
    "g": 111,
    "b": 229
  },
  "hsl": {
    "h": 229.51,
    "s": 73.333,
    "l": 61.765
  },
  "oklch": {
    "l": 0.58512,
    "c": 0.18025,
    "h": 270.9
  },
  "luminance": 0.19004
}

Semantic roles & 50–950 ramp

primary

#566FE5

secondary

#E6DDB1

accent

#B310D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566FE5

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

Preview Lab → · Contrast checker → · Palette generator →