#566BC1#566BC1

#566BC1 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.3% C 0.135 H 271.1°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#566BC1
RGB	rgb(86, 107, 193)
HSL	hsl(228, 46%, 55%)
HSV	hsv(228, 55%, 76%)
CMYK	cmyk(55.4%, 44.6%, 0%, 24.3%)
CIE-LAB	lab(47.42, 17.53, -47.59)
CIE-LCH	lch(47.42, 50.72, 290.22°)
OKLab	oklab(55.32% 0.0025 -0.1354)
OKLCH	oklch(55.32% 0.135 271.1)
XYZ	xyz(18.7179, 16.3427, 52.6098)
Luminance	0.1634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566BC1 #C1AC56

analogous

#56A1C1 #566BC1 #7656C1

triadic

#566BC1 #C1566B #6BC156

tetradic

#566BC1 #C156A1 #C1AC56 #56C176

square

#566BC1 #C156A1 #C1AC56 #56C176

split-complementary

#566BC1 #C17656 #A1C156

monochromatic

#2A3873 #3A4E9F #566BC1 #8392D1 #B0B9E2

Accessibility & contrast

On white

4.92

#566BC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#566BC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566BC1

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566BC1	#FFFFFF	#000000	##FFFFFF
##566BC1	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4575C4

Deuteranopia (green-blind)

#386CBF

Tritanopia (blue-blind)

#1A7E8C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #566bc1;
/* rgb */ color: rgb(86, 107, 193);
/* oklch */ color: oklch(55.3% 0.135 271.1);

Tailwind

colors: {
  custom: {
    50: '#8d95d4',
    500: '#566bc1',
    950: '#000000',
  },
}

SCSS

$custom: #566bc1;
$custom-light: #8d95d4;
$custom-dark: #000000;

JSON

{
  "hex": "#566bc1",
  "rgb": {
    "r": 86,
    "g": 107,
    "b": 193
  },
  "hsl": {
    "h": 228.224,
    "s": 46.32,
    "l": 54.706
  },
  "oklch": {
    "l": 0.55316,
    "c": 0.13546,
    "h": 271.1
  },
  "luminance": 0.16344
}

Semantic roles & 50–950 ramp

primary

#566BC1

secondary

#D0C7A3

accent

#BC52D6

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #566BC1

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

Preview Lab → · Contrast checker → · Palette generator →