#566DBE#566DBE

#566DBE is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.5% C 0.129 H 269.9°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#566DBE
RGB	rgb(86, 109, 190)
HSL	hsl(227, 44%, 54%)
HSV	hsv(227, 55%, 75%)
CMYK	cmyk(54.7%, 42.6%, 0%, 25.5%)
CIE-LAB	lab(47.79, 15.30, -45.27)
CIE-LCH	lch(47.79, 47.79, 288.68°)
OKLab	oklab(55.55% -0.0002 -0.1286)
OKLCH	oklch(55.55% 0.129 269.9)
XYZ	xyz(18.5976, 16.6321, 50.9355)
Luminance	0.1663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566DBE #BEA756

analogous

#56A1BE #566DBE #7356BE

triadic

#566DBE #BE566D #6DBE56

tetradic

#566DBE #BE56A1 #BEA756 #56BE73

square

#566DBE #BE56A1 #BEA756 #56BE73

split-complementary

#566DBE #BE7356 #A1BE56

monochromatic

#2B3A6F #3C519B #566DBE #8293CF #AEB9E0

Accessibility & contrast

On white

4.85

#566DBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#566DBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566DBE

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566DBE	#FFFFFF	#000000	##FFFFFF
##566DBE	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B76C1

Deuteranopia (green-blind)

#3E6DBC

Tritanopia (blue-blind)

#1E7F8C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #566dbe;
/* rgb */ color: rgb(86, 109, 190);
/* oklch */ color: oklch(55.5% 0.129 269.9);

Tailwind

colors: {
  custom: {
    50: '#8d96d2',
    500: '#566dbe',
    950: '#000000',
  },
}

SCSS

$custom: #566dbe;
$custom-light: #8d96d2;
$custom-dark: #000000;

JSON

{
  "hex": "#566dbe",
  "rgb": {
    "r": 86,
    "g": 109,
    "b": 190
  },
  "hsl": {
    "h": 226.731,
    "s": 44.444,
    "l": 54.118
  },
  "oklch": {
    "l": 0.55546,
    "c": 0.1286,
    "h": 269.9
  },
  "luminance": 0.16633
}

Semantic roles & 50–950 ramp

primary

#566DBE

secondary

#CEC4A2

accent

#B854D4

background

#F9F9FC

surface

#F1F1F9

border

#CBCBD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #566DBE

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

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