#223E78#223E78

#223E78 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.5% C 0.105 H 263.0°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#223E78
RGB	rgb(34, 62, 120)
HSL	hsl(220, 56%, 30%)
HSV	hsv(220, 72%, 47%)
CMYK	cmyk(71.7%, 48.3%, 0%, 52.9%)
CIE-LAB	lab(27.13, 10.61, -36.31)
CIE-LCH	lch(27.13, 37.83, 286.29°)
OKLab	oklab(37.54% -0.0128 -0.104)
OKLCH	oklch(37.54% 0.105 263)
XYZ	xyz(5.7713, 5.1408, 18.4538)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223E78 #785C22

analogous

#226978 #223E78 #312278

triadic

#223E78 #78223E #3E7822

tetradic

#223E78 #782269 #785C22 #227831

square

#223E78 #782269 #785C22 #227831

split-complementary

#223E78 #783122 #697822

monochromatic

#070D19 #142548 #223E78 #3057A8 #4973CB

Accessibility & contrast

On white

10.35

#223E78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#223E78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223E78

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223E78	#FFFFFF	#000000	##FFFFFF
##223E78	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20447A

Deuteranopia (green-blind)

#0E3C77

Tritanopia (blue-blind)

#004B55

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #223e78;
/* rgb */ color: rgb(34, 62, 120);
/* oklch */ color: oklch(37.5% 0.105 263.0);

Tailwind

colors: {
  custom: {
    50: '#68729f',
    500: '#223e78',
    950: '#000000',
  },
}

SCSS

$custom: #223e78;
$custom-light: #68729f;
$custom-dark: #000000;

JSON

{
  "hex": "#223e78",
  "rgb": {
    "r": 34,
    "g": 62,
    "b": 120
  },
  "hsl": {
    "h": 220.465,
    "s": 55.844,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37539,
    "c": 0.10478,
    "h": 263
  },
  "luminance": 0.05141
}

Semantic roles & 50–950 ramp

primary

#223E78

secondary

#AB8C4B

accent

#AE49DF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #223E78

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

Preview Lab → · Contrast checker → · Palette generator →