#223A78#223A78

#223A78 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.6% C 0.110 H 265.4°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#223A78
RGB	rgb(34, 58, 120)
HSL	hsl(223, 56%, 30%)
HSV	hsv(223, 72%, 47%)
CMYK	cmyk(71.7%, 51.7%, 0%, 52.9%)
CIE-LAB	lab(25.93, 13.40, -38.25)
CIE-LCH	lch(25.93, 40.53, 289.30°)
OKLab	oklab(36.62% -0.0089 -0.1098)
OKLCH	oklch(36.62% 0.11 265.4)
XYZ	xyz(5.5617, 4.7217, 18.3839)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A78 #786022

analogous

#226578 #223A78 #352278

triadic

#223A78 #78223A #3A7822

tetradic

#223A78 #782265 #786022 #227835

square

#223A78 #782265 #786022 #227835

split-complementary

#223A78 #783522 #657822

monochromatic

#070C19 #142348 #223A78 #3051A8 #496DCB

Accessibility & contrast

On white

10.80

#223A78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#223A78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A78

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A78	#FFFFFF	#000000	##FFFFFF
##223A78	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17427A

Deuteranopia (green-blind)

#003A77

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #223a78;
/* rgb */ color: rgb(34, 58, 120);
/* oklch */ color: oklch(36.6% 0.110 265.4);

Tailwind

colors: {
  custom: {
    50: '#686f9f',
    500: '#223a78',
    950: '#000000',
  },
}

SCSS

$custom: #223a78;
$custom-light: #686f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#223a78",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 120
  },
  "hsl": {
    "h": 223.256,
    "s": 55.844,
    "l": 30.196
  },
  "oklch": {
    "l": 0.36617,
    "c": 0.11012,
    "h": 265.4
  },
  "luminance": 0.04722
}

Semantic roles & 50–950 ramp

primary

#223A78

secondary

#AB904B

accent

#B549DF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #223A78

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

Preview Lab → · Contrast checker → · Palette generator →