#566BE1#566BE1

#566BE1 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.5% C 0.180 H 272.0°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#566BE1
RGB	rgb(86, 107, 225)
HSL	hsl(231, 70%, 61%)
HSV	hsv(231, 62%, 88%)
CMYK	cmyk(61.8%, 52.4%, 0%, 11.8%)
CIE-LAB	lab(49.41, 28.20, -62.66)
CIE-LCH	lch(49.41, 68.71, 294.23°)
OKLab	oklab(57.46% 0.0061 -0.1797)
OKLCH	oklch(57.46% 0.18 272)
XYZ	xyz(22.6815, 17.9282, 73.4848)
Luminance	0.1793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566BE1 #E1CC56

analogous

#56B0E1 #566BE1 #8656E1

triadic

#566BE1 #E1566B #6BE156

tetradic

#566BE1 #E156B0 #E1CC56 #56E186

square

#566BE1 #E156B0 #E1CC56 #56E186

split-complementary

#566BE1 #E18656 #B0E156

monochromatic

#1C30A0 #2640D4 #566BE1 #8A99EA #BEC6F3

Accessibility & contrast

On white

4.58

#566BE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#566BE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566BE1

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566BE1	#FFFFFF	#000000	##000000
##566BE1	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#207CE5

Deuteranopia (green-blind)

#0070DF

Tritanopia (blue-blind)

#00879C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #566be1;
/* rgb */ color: rgb(86, 107, 225);
/* oklch */ color: oklch(57.5% 0.180 272.0);

Tailwind

colors: {
  custom: {
    50: '#9295eb',
    500: '#566be1',
    950: '#000000',
  },
}

SCSS

$custom: #566be1;
$custom-light: #9295eb;
$custom-dark: #000000;

JSON

{
  "hex": "#566be1",
  "rgb": {
    "r": 86,
    "g": 107,
    "b": 225
  },
  "hsl": {
    "h": 230.935,
    "s": 69.849,
    "l": 60.98
  },
  "oklch": {
    "l": 0.57462,
    "c": 0.17983,
    "h": 272
  },
  "luminance": 0.1793
}

Semantic roles & 50–950 ramp

primary

#566BE1

secondary

#E4DCAF

accent

#B514D2

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566BE1

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

Preview Lab → · Contrast checker → · Palette generator →