#223399#223399

#223399 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.1% C 0.166 H 269.2°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#223399
RGB	rgb(34, 51, 153)
HSL	hsl(231, 64%, 37%)
HSV	hsv(231, 78%, 60%)
CMYK	cmyk(77.8%, 66.7%, 0%, 40%)
CIE-LAB	lab(26.75, 31.04, -57.43)
CIE-LCH	lch(26.75, 65.28, 298.39°)
OKLab	oklab(38.09% -0.0024 -0.1662)
OKLCH	oklch(38.09% 0.166 269.2)
XYZ	xyz(7.5913, 5.0068, 30.6971)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223399 #998822

analogous

#226F99 #223399 #4D2299

triadic

#223399 #992233 #339922

tetradic

#223399 #99226F #998822 #22994D

square

#223399 #99226F #998822 #22994D

split-complementary

#223399 #994D22 #6F9922

monochromatic

#0C1235 #172267 #223399 #2D44CB #5B6DDB

Accessibility & contrast

On white

10.49

#223399 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#223399 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223399

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223399	#FFFFFF	#000000	##FFFFFF
##223399	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459C

Deuteranopia (green-blind)

#003A97

Tritanopia (blue-blind)

#004E61

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #223399;
/* rgb */ color: rgb(34, 51, 153);
/* oklch */ color: oklch(38.1% 0.166 269.2);

Tailwind

colors: {
  custom: {
    50: '#716ab8',
    500: '#223399',
    950: '#000000',
  },
}

SCSS

$custom: #223399;
$custom-light: #716ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#223399",
  "rgb": {
    "r": 34,
    "g": 51,
    "b": 153
  },
  "hsl": {
    "h": 231.429,
    "s": 63.636,
    "l": 36.667
  },
  "oklch": {
    "l": 0.38091,
    "c": 0.16618,
    "h": 269.2
  },
  "luminance": 0.05008
}

Semantic roles & 50–950 ramp

primary

#223399

secondary

#BFB058

accent

#CF41E7

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #223399

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

Preview Lab → · Contrast checker → · Palette generator →