#223F75#223F75

#223F75 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.6% C 0.099 H 261.6°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#223F75
RGB	rgb(34, 63, 117)
HSL	hsl(219, 55%, 30%)
HSV	hsv(219, 71%, 46%)
CMYK	cmyk(70.9%, 46.2%, 0%, 54.1%)
CIE-LAB	lab(27.24, 8.73, -34.25)
CIE-LCH	lch(27.24, 35.34, 284.30°)
OKLab	oklab(37.56% -0.0144 -0.0979)
OKLCH	oklch(37.56% 0.099 261.6)
XYZ	xyz(5.6469, 5.1789, 17.5282)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223F75 #755822

analogous

#226975 #223F75 #2E2275

triadic

#223F75 #75223F #3F7522

tetradic

#223F75 #752269 #755822 #22752E

square

#223F75 #752269 #755822 #22752E

split-complementary

#223F75 #752E22 #697522

monochromatic

#070D18 #142546 #223F75 #3059A4 #4875CA

Accessibility & contrast

On white

10.32

#223F75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#223F75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223F75

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223F75	#FFFFFF	#000000	##FFFFFF
##223F75	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254477

Deuteranopia (green-blind)

#163D74

Tritanopia (blue-blind)

#004B54

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #223f75;
/* rgb */ color: rgb(34, 63, 117);
/* oklch */ color: oklch(37.6% 0.099 261.6);

Tailwind

colors: {
  custom: {
    50: '#68739d',
    500: '#223f75',
    950: '#000000',
  },
}

SCSS

$custom: #223f75;
$custom-light: #68739d;
$custom-dark: #000000;

JSON

{
  "hex": "#223f75",
  "rgb": {
    "r": 34,
    "g": 63,
    "b": 117
  },
  "hsl": {
    "h": 219.036,
    "s": 54.967,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37556,
    "c": 0.09896,
    "h": 261.6
  },
  "luminance": 0.05179
}

Semantic roles & 50–950 ramp

primary

#223F75

secondary

#A8874B

accent

#AA49DE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #223F75

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

Preview Lab → · Contrast checker → · Palette generator →