#566EA1#566EA1

#566EA1 is a mid, moderate blue. Relative luminance 0.157; OKLCH L 54.1% C 0.085 H 264.5°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#566EA1
RGB	rgb(86, 110, 161)
HSL	hsl(221, 30%, 48%)
HSV	hsv(221, 47%, 63%)
CMYK	cmyk(46.6%, 31.7%, 0%, 36.9%)
CIE-LAB	lab(46.58, 5.43, -30.28)
CIE-LCH	lch(46.58, 30.76, 280.17°)
OKLab	oklab(54.12% -0.0082 -0.0849)
OKLCH	oklch(54.12% 0.085 264.5)
XYZ	xyz(15.8446, 15.7025, 35.9073)
Luminance	0.1570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566EA1 #A18956

analogous

#5693A1 #566EA1 #6356A1

triadic

#566EA1 #A1566E #6EA156

tetradic

#566EA1 #A15693 #A18956 #56A163

square

#566EA1 #A15693 #A18956 #56A163

split-complementary

#566EA1 #A16356 #93A156

monochromatic

#2B3751 #415379 #566EA1 #7B8FB9 #A3B1CE

Accessibility & contrast

On white

5.07

#566EA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#566EA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566EA1

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566EA1	#FFFFFF	#000000	##FFFFFF
##566EA1	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B72A3

Deuteranopia (green-blind)

#536BA0

Tritanopia (blue-blind)

#397980

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #566ea1;
/* rgb */ color: rgb(86, 110, 161);
/* oklch */ color: oklch(54.1% 0.085 264.5);

Tailwind

colors: {
  custom: {
    50: '#8997bd',
    500: '#566ea1',
    950: '#000000',
  },
}

SCSS

$custom: #566ea1;
$custom-light: #8997bd;
$custom-dark: #000000;

JSON

{
  "hex": "#566ea1",
  "rgb": {
    "r": 86,
    "g": 110,
    "b": 161
  },
  "hsl": {
    "h": 220.8,
    "s": 30.364,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54123,
    "c": 0.0853,
    "h": 264.5
  },
  "luminance": 0.15704
}

Semantic roles & 50–950 ramp

primary

#566EA1

secondary

#BCB097

accent

#A661C7

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #566EA1

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

Preview Lab → · Contrast checker → · Palette generator →