#566BB2#566BB2

#566BB2 is a mid, moderate blue. Relative luminance 0.157; OKLCH L 54.4% C 0.114 H 269.9°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#566BB2
RGB	rgb(86, 107, 178)
HSL	hsl(226, 37%, 52%)
HSV	hsv(226, 52%, 70%)
CMYK	cmyk(51.7%, 39.9%, 0%, 30.2%)
CIE-LAB	lab(46.59, 12.65, -40.22)
CIE-LCH	lch(46.59, 42.16, 287.46°)
OKLab	oklab(54.41% -0.0002 -0.1138)
OKLCH	oklch(54.41% 0.114 269.9)
XYZ	xyz(17.1287, 15.7070, 44.2400)
Luminance	0.1571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566BB2 #B29D56

analogous

#5699B2 #566BB2 #6F56B2

triadic

#566BB2 #B2566B #6BB256

tetradic

#566BB2 #B25699 #B29D56 #56B26F

square

#566BB2 #B25699 #B29D56 #56B26F

split-complementary

#566BB2 #B26F56 #99B256

monochromatic

#2C3861 #3F518B #566BB2 #8090C5 #AAB5D8

Accessibility & contrast

On white

5.07

#566BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#566BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566BB2

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566BB2	#FFFFFF	#000000	##FFFFFF
##566BB2	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)

#4F73B5

Deuteranopia (green-blind)

#456BB0

Tritanopia (blue-blind)

#2D7A86

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #566bb2;
/* rgb */ color: rgb(86, 107, 178);
/* oklch */ color: oklch(54.4% 0.114 269.9);

Tailwind

colors: {
  custom: {
    50: '#8b95c9',
    500: '#566bb2',
    950: '#000000',
  },
}

SCSS

$custom: #566bb2;
$custom-light: #8b95c9;
$custom-dark: #000000;

JSON

{
  "hex": "#566bb2",
  "rgb": {
    "r": 86,
    "g": 107,
    "b": 178
  },
  "hsl": {
    "h": 226.304,
    "s": 37.398,
    "l": 51.765
  },
  "oklch": {
    "l": 0.54407,
    "c": 0.11384,
    "h": 269.9
  },
  "luminance": 0.15708
}

Semantic roles & 50–950 ramp

primary

#566BB2

secondary

#C6BD9E

accent

#B35ACD

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #566BB2

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

Preview Lab → · Contrast checker → · Palette generator →