#223D73#223D73

#223D73 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.9% C 0.099 H 262.6°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#223D73
RGB	rgb(34, 61, 115)
HSL	hsl(220, 54%, 29%)
HSV	hsv(220, 70%, 45%)
CMYK	cmyk(70.4%, 47%, 0%, 54.9%)
CIE-LAB	lab(26.49, 9.32, -34.18)
CIE-LCH	lch(26.49, 35.43, 285.26°)
OKLab	oklab(36.94% -0.0127 -0.0977)
OKLCH	oklch(36.94% 0.099 262.6)
XYZ	xyz(5.4218, 4.9148, 16.8793)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D73 #735822

analogous

#226673 #223D73 #302273

triadic

#223D73 #73223D #3D7322

tetradic

#223D73 #732266 #735822 #227330

square

#223D73 #732266 #735822 #227330

split-complementary

#223D73 #733022 #667322

monochromatic

#070D18 #142444 #223D73 #3056A2 #4772C9

Accessibility & contrast

On white

10.59

#223D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#223D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D73

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D73	#FFFFFF	#000000	##FFFFFF
##223D73	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234375

Deuteranopia (green-blind)

#143B72

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #223d73;
/* rgb */ color: rgb(34, 61, 115);
/* oklch */ color: oklch(36.9% 0.099 262.6);

Tailwind

colors: {
  custom: {
    50: '#67729c',
    500: '#223d73',
    950: '#000000',
  },
}

SCSS

$custom: #223d73;
$custom-light: #67729c;
$custom-dark: #000000;

JSON

{
  "hex": "#223d73",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 115
  },
  "hsl": {
    "h": 220,
    "s": 54.362,
    "l": 29.216
  },
  "oklch": {
    "l": 0.36938,
    "c": 0.09855,
    "h": 262.6
  },
  "luminance": 0.04915
}

Semantic roles & 50–950 ramp

primary

#223D73

secondary

#A6884B

accent

#AD4ADE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #223D73

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

Preview Lab → · Contrast checker → · Palette generator →