#566EA5#566EA5

#566EA5 is a mid, moderate blue. Relative luminance 0.158; OKLCH L 54.3% C 0.091 H 265.5°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#566EA5
RGB	rgb(86, 110, 165)
HSL	hsl(222, 31%, 49%)
HSV	hsv(222, 48%, 65%)
CMYK	cmyk(47.9%, 33.3%, 0%, 35.3%)
CIE-LAB	lab(46.77, 6.67, -32.33)
CIE-LCH	lch(46.77, 33.01, 281.66°)
OKLab	oklab(54.33% -0.0071 -0.0908)
OKLCH	oklch(54.33% 0.091 265.5)
XYZ	xyz(16.2030, 15.8459, 37.7948)
Luminance	0.1585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566EA5 #A58D56

analogous

#5696A5 #566EA5 #6656A5

triadic

#566EA5 #A5566E #6EA556

tetradic

#566EA5 #A55696 #A58D56 #56A566

square

#566EA5 #A55696 #A58D56 #56A566

split-complementary

#566EA5 #A56656 #96A556

monochromatic

#2C3855 #41537D #566EA5 #7D90BB #A5B2D0

Accessibility & contrast

On white

5.04

#566EA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#566EA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566EA5

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566EA5	#FFFFFF	#000000	##FFFFFF
##566EA5	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A73A7

Deuteranopia (green-blind)

#516CA4

Tritanopia (blue-blind)

#377A82

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #566ea5;
/* rgb */ color: rgb(86, 110, 165);
/* oklch */ color: oklch(54.3% 0.091 265.5);

Tailwind

colors: {
  custom: {
    50: '#8a97c0',
    500: '#566ea5',
    950: '#000000',
  },
}

SCSS

$custom: #566ea5;
$custom-light: #8a97c0;
$custom-dark: #000000;

JSON

{
  "hex": "#566ea5",
  "rgb": {
    "r": 86,
    "g": 110,
    "b": 165
  },
  "hsl": {
    "h": 221.772,
    "s": 31.474,
    "l": 49.216
  },
  "oklch": {
    "l": 0.54333,
    "c": 0.09112,
    "h": 265.5
  },
  "luminance": 0.15847
}

Semantic roles & 50–950 ramp

primary

#566EA5

secondary

#BEB399

accent

#A860C8

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #566EA5

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

Preview Lab → · Contrast checker → · Palette generator →