#223E79#223E79

#223E79 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.6% C 0.106 H 263.2°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#223E79
RGB	rgb(34, 62, 121)
HSL	hsl(221, 56%, 30%)
HSV	hsv(221, 72%, 47%)
CMYK	cmyk(71.9%, 48.8%, 0%, 52.5%)
CIE-LAB	lab(27.20, 11.01, -36.84)
CIE-LCH	lch(27.20, 38.44, 286.63°)
OKLab	oklab(37.61% -0.0127 -0.1055)
OKLCH	oklch(37.61% 0.106 263.2)
XYZ	xyz(5.8323, 5.1652, 18.7751)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223E79 #795D22

analogous

#226979 #223E79 #322279

triadic

#223E79 #79223E #3E7922

tetradic

#223E79 #792269 #795D22 #227932

square

#223E79 #792269 #795D22 #227932

split-complementary

#223E79 #793222 #697922

monochromatic

#070D19 #152649 #223E79 #2F56A9 #4973CC

Accessibility & contrast

On white

10.33

#223E79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#223E79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223E79

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223E79	#FFFFFF	#000000	##FFFFFF
##223E79	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F457B

Deuteranopia (green-blind)

#0C3D78

Tritanopia (blue-blind)

#004C55

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #223e79;
/* rgb */ color: rgb(34, 62, 121);
/* oklch */ color: oklch(37.6% 0.106 263.2);

Tailwind

colors: {
  custom: {
    50: '#6972a0',
    500: '#223e79',
    950: '#000000',
  },
}

SCSS

$custom: #223e79;
$custom-light: #6972a0;
$custom-dark: #000000;

JSON

{
  "hex": "#223e79",
  "rgb": {
    "r": 34,
    "g": 62,
    "b": 121
  },
  "hsl": {
    "h": 220.69,
    "s": 56.129,
    "l": 30.392
  },
  "oklch": {
    "l": 0.37613,
    "c": 0.10628,
    "h": 263.2
  },
  "luminance": 0.05166
}

Semantic roles & 50–950 ramp

primary

#223E79

secondary

#AC8D4B

accent

#AF48DF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #223E79

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

Preview Lab → · Contrast checker → · Palette generator →