#223370#223370

#223370 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.4% C 0.108 H 268.5°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#223370
RGB	rgb(34, 51, 112)
HSL	hsl(227, 53%, 29%)
HSV	hsv(227, 70%, 44%)
CMYK	cmyk(69.6%, 54.5%, 0%, 56.1%)
CIE-LAB	lab(23.26, 15.16, -37.46)
CIE-LCH	lch(23.26, 40.41, 292.04°)
OKLab	oklab(34.41% -0.0028 -0.1075)
OKLCH	oklch(34.41% 0.108 268.5)
XYZ	xyz(4.7671, 3.8771, 15.8232)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223370 #705F22

analogous

#225A70 #223370 #382270

triadic

#223370 #702233 #337022

tetradic

#223370 #70225A #705F22 #227038

square

#223370 #70225A #705F22 #227038

split-complementary

#223370 #703822 #5A7022

monochromatic

#070B17 #141E41 #223370 #30489F #4662C7

Accessibility & contrast

On white

11.83

#223370 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#223370 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223370

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223370	#FFFFFF	#000000	##FFFFFF
##223370	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D3B72

Deuteranopia (green-blind)

#00346F

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #223370;
/* rgb */ color: rgb(34, 51, 112);
/* oklch */ color: oklch(34.4% 0.108 268.5);

Tailwind

colors: {
  custom: {
    50: '#676a99',
    500: '#223370',
    950: '#000000',
  },
}

SCSS

$custom: #223370;
$custom-light: #676a99;
$custom-dark: #000000;

JSON

{
  "hex": "#223370",
  "rgb": {
    "r": 34,
    "g": 51,
    "b": 112
  },
  "hsl": {
    "h": 226.923,
    "s": 53.425,
    "l": 28.627
  },
  "oklch": {
    "l": 0.34406,
    "c": 0.10758,
    "h": 268.5
  },
  "luminance": 0.03878
}

Semantic roles & 50–950 ramp

primary

#223370

secondary

#A3904A

accent

#BD4BDD

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #223370

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

Preview Lab → · Contrast checker → · Palette generator →