#223773#223773

#223773 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.5% C 0.107 H 266.5°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#223773
RGB	rgb(34, 55, 115)
HSL	hsl(224, 54%, 29%)
HSV	hsv(224, 70%, 45%)
CMYK	cmyk(70.4%, 52.2%, 0%, 54.9%)
CIE-LAB	lab(24.67, 13.52, -37.10)
CIE-LCH	lch(24.67, 39.49, 290.02°)
OKLab	oklab(35.55% -0.0065 -0.1064)
OKLCH	oklch(35.55% 0.107 266.5)
XYZ	xyz(5.1193, 4.3098, 16.7784)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223773 #735E22

analogous

#226073 #223773 #362273

triadic

#223773 #732237 #377322

tetradic

#223773 #732260 #735E22 #227336

square

#223773 #732260 #735E22 #227336

split-complementary

#223773 #733622 #607322

monochromatic

#070B18 #142044 #223773 #304EA2 #4768C9

Accessibility & contrast

On white

11.28

#223773 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#223773 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223773

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223773	#FFFFFF	#000000	##FFFFFF
##223773	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153E75

Deuteranopia (green-blind)

#003772

Tritanopia (blue-blind)

#00454F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #223773;
/* rgb */ color: rgb(34, 55, 115);
/* oklch */ color: oklch(35.5% 0.107 266.5);

Tailwind

colors: {
  custom: {
    50: '#686d9c',
    500: '#223773',
    950: '#000000',
  },
}

SCSS

$custom: #223773;
$custom-light: #686d9c;
$custom-dark: #000000;

JSON

{
  "hex": "#223773",
  "rgb": {
    "r": 34,
    "g": 55,
    "b": 115
  },
  "hsl": {
    "h": 224.444,
    "s": 54.362,
    "l": 29.216
  },
  "oklch": {
    "l": 0.35545,
    "c": 0.10663,
    "h": 266.5
  },
  "luminance": 0.0431
}

Semantic roles & 50–950 ramp

primary

#223773

secondary

#A68E4B

accent

#B74ADE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #223773

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

Preview Lab → · Contrast checker → · Palette generator →