#566EA4#566EA4

#566EA4 is a mid, moderate blue. Relative luminance 0.158; OKLCH L 54.3% C 0.090 H 265.3°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#566EA4
RGB	rgb(86, 110, 164)
HSL	hsl(222, 31%, 49%)
HSV	hsv(222, 48%, 64%)
CMYK	cmyk(47.6%, 32.9%, 0%, 35.7%)
CIE-LAB	lab(46.72, 6.36, -31.82)
CIE-LCH	lch(46.72, 32.45, 281.31°)
OKLab	oklab(54.28% -0.0074 -0.0894)
OKLCH	oklch(54.28% 0.09 265.3)
XYZ	xyz(16.1124, 15.8096, 37.3173)
Luminance	0.1581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566EA4 #A48C56

analogous

#5695A4 #566EA4 #6556A4

triadic

#566EA4 #A4566E #6EA456

tetradic

#566EA4 #A45695 #A48C56 #56A465

square

#566EA4 #A45695 #A48C56 #56A465

split-complementary

#566EA4 #A46556 #95A456

monochromatic

#2C3854 #41537C #566EA4 #7D90BB #A5B2D0

Accessibility & contrast

On white

5.05

#566EA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#566EA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566EA4

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566EA4	#FFFFFF	#000000	##FFFFFF
##566EA4	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A73A6

Deuteranopia (green-blind)

#526CA3

Tritanopia (blue-blind)

#377981

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #566ea4;
/* rgb */ color: rgb(86, 110, 164);
/* oklch */ color: oklch(54.3% 0.090 265.3);

Tailwind

colors: {
  custom: {
    50: '#8a97bf',
    500: '#566ea4',
    950: '#000000',
  },
}

SCSS

$custom: #566ea4;
$custom-light: #8a97bf;
$custom-dark: #000000;

JSON

{
  "hex": "#566ea4",
  "rgb": {
    "r": 86,
    "g": 110,
    "b": 164
  },
  "hsl": {
    "h": 221.538,
    "s": 31.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.5428,
    "c": 0.08966,
    "h": 265.3
  },
  "luminance": 0.15811
}

Semantic roles & 50–950 ramp

primary

#566EA4

secondary

#BDB299

accent

#A860C7

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #566EA4

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

Preview Lab → · Contrast checker → · Palette generator →