#223C83#223C83

#223C83 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.9% C 0.124 H 265.6°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#223C83
RGB	rgb(34, 60, 131)
HSL	hsl(224, 59%, 32%)
HSV	hsv(224, 74%, 51%)
CMYK	cmyk(74%, 54.2%, 0%, 48.6%)
CIE-LAB	lab(27.32, 16.36, -42.91)
CIE-LCH	lch(27.32, 45.92, 290.87°)
OKLab	oklab(37.94% -0.0094 -0.1234)
OKLCH	oklch(37.94% 0.124 265.6)
XYZ	xyz(6.3708, 5.2098, 22.1382)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C83 #836922

analogous

#226C83 #223C83 #392283

triadic

#223C83 #83223C #3C8322

tetradic

#223C83 #83226C #836922 #228339

square

#223C83 #83226C #836922 #228339

split-complementary

#223C83 #833922 #6C8322

monochromatic

#090F22 #152652 #223C83 #2F52B4 #4E71D1

Accessibility & contrast

On white

10.28

#223C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#223C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C83

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C83	#FFFFFF	#000000	##FFFFFF
##223C83	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4586

Deuteranopia (green-blind)

#003C82

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #223c83;
/* rgb */ color: rgb(34, 60, 131);
/* oklch */ color: oklch(37.9% 0.124 265.6);

Tailwind

colors: {
  custom: {
    50: '#6b71a8',
    500: '#223c83',
    950: '#000000',
  },
}

SCSS

$custom: #223c83;
$custom-light: #6b71a8;
$custom-dark: #000000;

JSON

{
  "hex": "#223c83",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 131
  },
  "hsl": {
    "h": 223.918,
    "s": 58.788,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37937,
    "c": 0.12378,
    "h": 265.6
  },
  "luminance": 0.0521
}

Semantic roles & 50–950 ramp

primary

#223C83

secondary

#B4994C

accent

#B846E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #223C83

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

Preview Lab → · Contrast checker → · Palette generator →