#223999#223999

#223999 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.2% C 0.159 H 267.8°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#223999
RGB	rgb(34, 57, 153)
HSL	hsl(228, 64%, 37%)
HSV	hsv(228, 78%, 60%)
CMYK	cmyk(77.8%, 62.7%, 0%, 40%)
CIE-LAB	lab(28.29, 27.04, -54.92)
CIE-LCH	lch(28.29, 61.21, 296.21°)
OKLab	oklab(39.22% -0.0062 -0.1587)
OKLCH	oklch(39.22% 0.159 267.8)
XYZ	xyz(7.8706, 5.5654, 30.7902)
Luminance	0.0557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223999 #998222

analogous

#227599 #223999 #472299

triadic

#223999 #992239 #399922

tetradic

#223999 #992275 #998222 #229947

square

#223999 #992275 #998222 #229947

split-complementary

#223999 #994722 #759922

monochromatic

#0C1435 #172667 #223999 #2D4CCB #5B74DB

Accessibility & contrast

On white

9.94

#223999 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#223999 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223999

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223999	#FFFFFF	#000000	##FFFFFF
##223999	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489C

Deuteranopia (green-blind)

#003D97

Tritanopia (blue-blind)

#005263

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #223999;
/* rgb */ color: rgb(34, 57, 153);
/* oklch */ color: oklch(39.2% 0.159 267.8);

Tailwind

colors: {
  custom: {
    50: '#716fb8',
    500: '#223999',
    950: '#000000',
  },
}

SCSS

$custom: #223999;
$custom-light: #716fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#223999",
  "rgb": {
    "r": 34,
    "g": 57,
    "b": 153
  },
  "hsl": {
    "h": 228.403,
    "s": 63.636,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39221,
    "c": 0.15887,
    "h": 267.8
  },
  "luminance": 0.05566
}

Semantic roles & 50–950 ramp

primary

#223999

secondary

#BFAB58

accent

#C741E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #223999

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

Preview Lab → · Contrast checker → · Palette generator →