#223578#223578

#223578 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.5% C 0.117 H 268.0°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#223578
RGB	rgb(34, 53, 120)
HSL	hsl(227, 56%, 30%)
HSV	hsv(227, 72%, 47%)
CMYK	cmyk(71.7%, 55.8%, 0%, 52.9%)
CIE-LAB	lab(24.46, 16.91, -40.63)
CIE-LCH	lch(24.46, 44.01, 292.59°)
OKLab	oklab(35.5% -0.004 -0.1168)
OKLCH	oklch(35.5% 0.117 268)
XYZ	xyz(5.3218, 4.2418, 18.3040)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223578 #786522

analogous

#226078 #223578 #3A2278

triadic

#223578 #782235 #357822

tetradic

#223578 #782260 #786522 #22783A

square

#223578 #782260 #786522 #22783A

split-complementary

#223578 #783A22 #607822

monochromatic

#070B19 #142048 #223578 #304AA8 #4966CB

Accessibility & contrast

On white

11.36

#223578 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#223578 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223578

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223578	#FFFFFF	#000000	##FFFFFF
##223578	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#053E7A

Deuteranopia (green-blind)

#003677

Tritanopia (blue-blind)

#004551

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #223578;
/* rgb */ color: rgb(34, 53, 120);
/* oklch */ color: oklch(35.5% 0.117 268.0);

Tailwind

colors: {
  custom: {
    50: '#696b9f',
    500: '#223578',
    950: '#000000',
  },
}

SCSS

$custom: #223578;
$custom-light: #696b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#223578",
  "rgb": {
    "r": 34,
    "g": 53,
    "b": 120
  },
  "hsl": {
    "h": 226.744,
    "s": 55.844,
    "l": 30.196
  },
  "oklch": {
    "l": 0.35502,
    "c": 0.11691,
    "h": 268
  },
  "luminance": 0.04242
}

Semantic roles & 50–950 ramp

primary

#223578

secondary

#AB964B

accent

#BE49DF

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #223578

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

Preview Lab → · Contrast checker → · Palette generator →