#566DC7#566DC7

#566DC7 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.1% C 0.141 H 270.5°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#566DC7
RGB	rgb(86, 109, 199)
HSL	hsl(228, 50%, 56%)
HSV	hsv(228, 57%, 78%)
CMYK	cmyk(56.8%, 45.2%, 0%, 22%)
CIE-LAB	lab(48.31, 18.27, -49.63)
CIE-LCH	lch(48.31, 52.89, 290.21°)
OKLab	oklab(56.11% 0.0013 -0.1414)
OKLCH	oklch(56.11% 0.141 270.5)
XYZ	xyz(19.6118, 17.0378, 56.2769)
Luminance	0.1704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566DC7 #C7B056

analogous

#56A5C7 #566DC7 #7756C7

triadic

#566DC7 #C7566D #6DC756

tetradic

#566DC7 #C756A5 #C7B056 #56C777

square

#566DC7 #C756A5 #C7B056 #56C777

split-complementary

#566DC7 #C77756 #A5C756

monochromatic

#28397A #384FA8 #566DC7 #8495D6 #B2BCE5

Accessibility & contrast

On white

4.76

#566DC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#566DC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566DC7

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566DC7	#FFFFFF	#000000	##FFFFFF
##566DC7	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4478CA

Deuteranopia (green-blind)

#356EC5

Tritanopia (blue-blind)

#0A8190

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #566dc7;
/* rgb */ color: rgb(86, 109, 199);
/* oklch */ color: oklch(56.1% 0.141 270.5);

Tailwind

colors: {
  custom: {
    50: '#8e96d8',
    500: '#566dc7',
    950: '#000000',
  },
}

SCSS

$custom: #566dc7;
$custom-light: #8e96d8;
$custom-dark: #000000;

JSON

{
  "hex": "#566dc7",
  "rgb": {
    "r": 86,
    "g": 109,
    "b": 199
  },
  "hsl": {
    "h": 227.788,
    "s": 50.222,
    "l": 55.882
  },
  "oklch": {
    "l": 0.56106,
    "c": 0.1414,
    "h": 270.5
  },
  "luminance": 0.17039
}

Semantic roles & 50–950 ramp

primary

#566DC7

secondary

#D4CAA5

accent

#BD4EDA

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #566DC7

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

Preview Lab → · Contrast checker → · Palette generator →