#566BBD#566BBD

#566BBD is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.1% C 0.130 H 270.8°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#566BBD
RGB	rgb(86, 107, 189)
HSL	hsl(228, 44%, 54%)
HSV	hsv(228, 54%, 74%)
CMYK	cmyk(54.5%, 43.4%, 0%, 25.9%)
CIE-LAB	lab(47.19, 16.22, -45.65)
CIE-LCH	lch(47.19, 48.44, 289.56°)
OKLab	oklab(55.07% 0.0019 -0.1297)
OKLCH	oklch(55.07% 0.13 270.8)
XYZ	xyz(18.2777, 16.1667, 50.2916)
Luminance	0.1617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566BBD #BDA856

analogous

#569FBD #566BBD #7556BD

triadic

#566BBD #BD566B #6BBD56

tetradic

#566BBD #BD569F #BDA856 #56BD75

square

#566BBD #BD569F #BDA856 #56BD75

split-complementary

#566BBD #BD7556 #9FBD56

monochromatic

#2B386E #3C4F9A #566BBD #8292CE #AEB8DF

Accessibility & contrast

On white

4.96

#566BBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#566BBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566BBD

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566BBD	#FFFFFF	#000000	##FFFFFF
##566BBD	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4875C0

Deuteranopia (green-blind)

#3C6CBB

Tritanopia (blue-blind)

#207D8B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #566bbd;
/* rgb */ color: rgb(86, 107, 189);
/* oklch */ color: oklch(55.1% 0.130 270.8);

Tailwind

colors: {
  custom: {
    50: '#8d95d1',
    500: '#566bbd',
    950: '#000000',
  },
}

SCSS

$custom: #566bbd;
$custom-light: #8d95d1;
$custom-dark: #000000;

JSON

{
  "hex": "#566bbd",
  "rgb": {
    "r": 86,
    "g": 107,
    "b": 189
  },
  "hsl": {
    "h": 227.767,
    "s": 43.83,
    "l": 53.922
  },
  "oklch": {
    "l": 0.55067,
    "c": 0.12974,
    "h": 270.8
  },
  "luminance": 0.16168
}

Semantic roles & 50–950 ramp

primary

#566BBD

secondary

#CDC4A1

accent

#BA54D4

background

#F9F9FC

surface

#F1F1F9

border

#CBCBD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #566BBD

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

Preview Lab → · Contrast checker → · Palette generator →