#223566#223566

#223566 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.1% C 0.089 H 265.9°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#223566
RGB	rgb(34, 53, 102)
HSL	hsl(223, 50%, 27%)
HSV	hsv(223, 67%, 40%)
CMYK	cmyk(66.7%, 48%, 0%, 60%)
CIE-LAB	lab(23.15, 9.81, -31.18)
CIE-LCH	lch(23.15, 32.69, 287.47°)
OKLab	oklab(34.1% -0.0064 -0.089)
OKLCH	oklch(34.1% 0.089 265.9)
XYZ	xyz(4.3302, 3.8452, 13.0818)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223566 #665322

analogous

#225766 #223566 #312266

triadic

#223566 #662235 #356622

tetradic

#223566 #662257 #665322 #226631

square

#223566 #662257 #665322 #226631

split-complementary

#223566 #663122 #576622

monochromatic

#080C17 #131D38 #223566 #314D94 #4265C0

Accessibility & contrast

On white

11.87

#223566 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#223566 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223566

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223566	#FFFFFF	#000000	##FFFFFF
##223566	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E3A68

Deuteranopia (green-blind)

#123465

Tritanopia (blue-blind)

#004048

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #223566;
/* rgb */ color: rgb(34, 53, 102);
/* oklch */ color: oklch(34.1% 0.089 265.9);

Tailwind

colors: {
  custom: {
    50: '#656b92',
    500: '#223566',
    950: '#000000',
  },
}

SCSS

$custom: #223566;
$custom-light: #656b92;
$custom-dark: #000000;

JSON

{
  "hex": "#223566",
  "rgb": {
    "r": 34,
    "g": 53,
    "b": 102
  },
  "hsl": {
    "h": 223.235,
    "s": 50,
    "l": 26.667
  },
  "oklch": {
    "l": 0.34095,
    "c": 0.08928,
    "h": 265.9
  },
  "luminance": 0.03846
}

Semantic roles & 50–950 ramp

primary

#223566

secondary

#9A834A

accent

#B34EDA

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #223566

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

Preview Lab → · Contrast checker → · Palette generator →