#223F83#223F83

#223F83 is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.6% C 0.120 H 264.2°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#223F83
RGB	rgb(34, 63, 131)
HSL	hsl(222, 59%, 32%)
HSV	hsv(222, 74%, 51%)
CMYK	cmyk(74%, 51.9%, 0%, 48.6%)
CIE-LAB	lab(28.20, 14.28, -41.49)
CIE-LCH	lch(28.20, 43.88, 288.99°)
OKLab	oklab(38.6% -0.0121 -0.1192)
OKLCH	oklch(38.6% 0.12 264.2)
XYZ	xyz(6.5325, 5.5331, 22.1920)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223F83 #836622

analogous

#227083 #223F83 #362283

triadic

#223F83 #83223F #3F8322

tetradic

#223F83 #832270 #836622 #228336

square

#223F83 #832270 #836622 #228336

split-complementary

#223F83 #833622 #708322

monochromatic

#091022 #152852 #223F83 #2F56B4 #4E75D1

Accessibility & contrast

On white

9.97

#223F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#223F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223F83

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223F83	#FFFFFF	#000000	##FFFFFF
##223F83	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164785

Deuteranopia (green-blind)

#003E82

Tritanopia (blue-blind)

#004F5A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #223f83;
/* rgb */ color: rgb(34, 63, 131);
/* oklch */ color: oklch(38.6% 0.120 264.2);

Tailwind

colors: {
  custom: {
    50: '#6b73a7',
    500: '#223f83',
    950: '#000000',
  },
}

SCSS

$custom: #223f83;
$custom-light: #6b73a7;
$custom-dark: #000000;

JSON

{
  "hex": "#223f83",
  "rgb": {
    "r": 34,
    "g": 63,
    "b": 131
  },
  "hsl": {
    "h": 222.062,
    "s": 58.788,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38604,
    "c": 0.11981,
    "h": 264.2
  },
  "luminance": 0.05534
}

Semantic roles & 50–950 ramp

primary

#223F83

secondary

#B4954C

accent

#B346E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #223F83

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

Preview Lab → · Contrast checker → · Palette generator →