#566BE0#566BE0

#566BE0 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.4% C 0.178 H 271.9°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#566BE0
RGB	rgb(86, 107, 224)
HSL	hsl(231, 69%, 61%)
HSV	hsv(231, 62%, 88%)
CMYK	cmyk(61.6%, 52.2%, 0%, 12.2%)
CIE-LAB	lab(49.34, 27.86, -62.20)
CIE-LCH	lch(49.34, 68.16, 294.13°)
OKLab	oklab(57.39% 0.0061 -0.1784)
OKLCH	oklch(57.39% 0.178 271.9)
XYZ	xyz(22.5455, 17.8738, 72.7684)
Luminance	0.1788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566BE0 #E0CB56

analogous

#56B0E0 #566BE0 #8656E0

triadic

#566BE0 #E0566B #6BE056

tetradic

#566BE0 #E056B0 #E0CB56 #56E086

square

#566BE0 #E056B0 #E0CB56 #56E086

split-complementary

#566BE0 #E08656 #B0E056

monochromatic

#1D319F #2741D2 #566BE0 #8A98E9 #BDC6F3

Accessibility & contrast

On white

4.59

#566BE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#566BE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #566BE0

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566BE0	#FFFFFF	#000000	##FFFFFF
##566BE0	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#227CE4

Deuteranopia (green-blind)

#006FDE

Tritanopia (blue-blind)

#00869B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #566be0;
/* rgb */ color: rgb(86, 107, 224);
/* oklch */ color: oklch(57.4% 0.178 271.9);

Tailwind

colors: {
  custom: {
    50: '#9295ea',
    500: '#566be0',
    950: '#000000',
  },
}

SCSS

$custom: #566be0;
$custom-light: #9295ea;
$custom-dark: #000000;

JSON

{
  "hex": "#566be0",
  "rgb": {
    "r": 86,
    "g": 107,
    "b": 224
  },
  "hsl": {
    "h": 230.87,
    "s": 69,
    "l": 60.784
  },
  "oklch": {
    "l": 0.57391,
    "c": 0.17848,
    "h": 271.9
  },
  "luminance": 0.17876
}

Semantic roles & 50–950 ramp

primary

#566BE0

secondary

#E3DBAF

accent

#B415D1

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566BE0

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

Preview Lab → · Contrast checker → · Palette generator →