#223B83#223B83

#223B83 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.7% C 0.125 H 266.1°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#223B83
RGB	rgb(34, 59, 131)
HSL	hsl(225, 59%, 32%)
HSV	hsv(225, 74%, 51%)
CMYK	cmyk(74%, 55%, 0%, 48.6%)
CIE-LAB	lab(27.03, 17.06, -43.38)
CIE-LCH	lch(27.03, 46.61, 291.47°)
OKLab	oklab(37.72% -0.0086 -0.1248)
OKLCH	oklch(37.72% 0.125 266.1)
XYZ	xyz(6.3190, 5.1060, 22.1209)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B83 #836A22

analogous

#226C83 #223B83 #392283

triadic

#223B83 #83223B #3B8322

tetradic

#223B83 #83226C #836A22 #228339

square

#223B83 #83226C #836A22 #228339

split-complementary

#223B83 #833922 #6C8322

monochromatic

#090F22 #152552 #223B83 #2F51B4 #4E70D1

Accessibility & contrast

On white

10.39

#223B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#223B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B83

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B83	#FFFFFF	#000000	##FFFFFF
##223B83	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#064586

Deuteranopia (green-blind)

#003C82

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #223b83;
/* rgb */ color: rgb(34, 59, 131);
/* oklch */ color: oklch(37.7% 0.125 266.1);

Tailwind

colors: {
  custom: {
    50: '#6b70a8',
    500: '#223b83',
    950: '#000000',
  },
}

SCSS

$custom: #223b83;
$custom-light: #6b70a8;
$custom-dark: #000000;

JSON

{
  "hex": "#223b83",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 131
  },
  "hsl": {
    "h": 224.536,
    "s": 58.788,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37718,
    "c": 0.12511,
    "h": 266.1
  },
  "luminance": 0.05107
}

Semantic roles & 50–950 ramp

primary

#223B83

secondary

#B49A4C

accent

#BA46E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #223B83

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

Preview Lab → · Contrast checker → · Palette generator →