#566B8D#566B8D

#566B8D is a mid, muted blue. Relative luminance 0.144; OKLCH L 52.5% C 0.060 H 259.9°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#566B8D
RGB	rgb(86, 107, 141)
HSL	hsl(217, 24%, 45%)
HSV	hsv(217, 39%, 55%)
CMYK	cmyk(39%, 24.1%, 0%, 44.7%)
CIE-LAB	lab(44.82, 1.27, -21.16)
CIE-LCH	lch(44.82, 21.20, 273.43°)
OKLab	oklab(52.46% -0.0105 -0.0587)
OKLCH	oklch(52.46% 0.06 259.9)
XYZ	xyz(13.9017, 14.4162, 27.2442)
Luminance	0.1442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566B8D #8D7856

analogous

#56878D #566B8D #5D568D

triadic

#566B8D #8D566B #6B8D56

tetradic

#566B8D #8D5687 #8D7856 #568D5D

square

#566B8D #8D5687 #8D7856 #568D5D

split-complementary

#566B8D #8D5D56 #878D56

monochromatic

#283141 #3F4E67 #566B8D #758AAB #9BAAC2

Accessibility & contrast

On white

5.41

#566B8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#566B8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566B8D

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566B8D	#FFFFFF	#000000	##FFFFFF
##566B8D	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F6D8F

Deuteranopia (green-blind)

#59688C

Tritanopia (blue-blind)

#447277

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #566b8d;
/* rgb */ color: rgb(86, 107, 141);
/* oklch */ color: oklch(52.5% 0.060 259.9);

Tailwind

colors: {
  custom: {
    50: '#8895ae',
    500: '#566b8d',
    950: '#000000',
  },
}

SCSS

$custom: #566b8d;
$custom-light: #8895ae;
$custom-dark: #000000;

JSON

{
  "hex": "#566b8d",
  "rgb": {
    "r": 86,
    "g": 107,
    "b": 141
  },
  "hsl": {
    "h": 217.091,
    "s": 24.229,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52459,
    "c": 0.05962,
    "h": 259.9
  },
  "luminance": 0.14417
}

Semantic roles & 50–950 ramp

primary

#566B8D

secondary

#B0A38F

accent

#9E67C1

background

#F8F9FA

surface

#F0F1F4

border

#CBCBCE

text

#0B0D10

muted

#7C7E7F

Preview Lab

Preview with #566B8D

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

Preview Lab → · Contrast checker → · Palette generator →