#223A79#223A79

#223A79 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.7% C 0.112 H 265.5°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#223A79
RGB	rgb(34, 58, 121)
HSL	hsl(223, 56%, 30%)
HSV	hsv(223, 72%, 47%)
CMYK	cmyk(71.9%, 52.1%, 0%, 52.5%)
CIE-LAB	lab(26.00, 13.79, -38.77)
CIE-LCH	lch(26.00, 41.15, 289.58°)
OKLab	oklab(36.7% -0.0087 -0.1113)
OKLCH	oklch(36.7% 0.112 265.5)
XYZ	xyz(5.6227, 4.7461, 18.7052)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A79 #796122

analogous

#226579 #223A79 #352279

triadic

#223A79 #79223A #3A7922

tetradic

#223A79 #792265 #796122 #227935

square

#223A79 #792265 #796122 #227935

split-complementary

#223A79 #793522 #657922

monochromatic

#070C19 #152349 #223A79 #2F51A9 #496DCC

Accessibility & contrast

On white

10.77

#223A79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#223A79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A79

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A79	#FFFFFF	#000000	##FFFFFF
##223A79	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16427B

Deuteranopia (green-blind)

#003A78

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #223a79;
/* rgb */ color: rgb(34, 58, 121);
/* oklch */ color: oklch(36.7% 0.112 265.5);

Tailwind

colors: {
  custom: {
    50: '#696fa0',
    500: '#223a79',
    950: '#000000',
  },
}

SCSS

$custom: #223a79;
$custom-light: #696fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#223a79",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 121
  },
  "hsl": {
    "h": 223.448,
    "s": 56.129,
    "l": 30.392
  },
  "oklch": {
    "l": 0.36695,
    "c": 0.11162,
    "h": 265.5
  },
  "luminance": 0.04747
}

Semantic roles & 50–950 ramp

primary

#223A79

secondary

#AC914B

accent

#B648DF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #223A79

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

Preview Lab → · Contrast checker → · Palette generator →