#223D83#223D83

#223D83 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.2% C 0.122 H 265.2°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#223D83
RGB	rgb(34, 61, 131)
HSL	hsl(223, 59%, 32%)
HSV	hsv(223, 74%, 51%)
CMYK	cmyk(74%, 53.4%, 0%, 48.6%)
CIE-LAB	lab(27.62, 15.67, -42.44)
CIE-LCH	lch(27.62, 45.24, 290.26°)
OKLab	oklab(38.16% -0.0103 -0.122)
OKLCH	oklch(38.16% 0.122 265.2)
XYZ	xyz(6.4237, 5.3156, 22.1558)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D83 #836822

analogous

#226E83 #223D83 #382283

triadic

#223D83 #83223D #3D8322

tetradic

#223D83 #83226E #836822 #228338

square

#223D83 #83226E #836822 #228338

split-complementary

#223D83 #833822 #6E8322

monochromatic

#091022 #152652 #223D83 #2F54B4 #4E73D1

Accessibility & contrast

On white

10.18

#223D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#223D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D83

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D83	#FFFFFF	#000000	##FFFFFF
##223D83	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#104685

Deuteranopia (green-blind)

#003D82

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #223d83;
/* rgb */ color: rgb(34, 61, 131);
/* oklch */ color: oklch(38.2% 0.122 265.2);

Tailwind

colors: {
  custom: {
    50: '#6b72a8',
    500: '#223d83',
    950: '#000000',
  },
}

SCSS

$custom: #223d83;
$custom-light: #6b72a8;
$custom-dark: #000000;

JSON

{
  "hex": "#223d83",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 131
  },
  "hsl": {
    "h": 223.299,
    "s": 58.788,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38158,
    "c": 0.12246,
    "h": 265.2
  },
  "luminance": 0.05316
}

Semantic roles & 50–950 ramp

primary

#223D83

secondary

#B4974C

accent

#B746E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #223D83

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

Preview Lab → · Contrast checker → · Palette generator →