#223799#223799

#223799 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.8% C 0.161 H 268.3°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#223799
RGB	rgb(34, 55, 153)
HSL	hsl(229, 64%, 37%)
HSV	hsv(229, 78%, 60%)
CMYK	cmyk(77.8%, 64.1%, 0%, 40%)
CIE-LAB	lab(27.77, 28.38, -55.77)
CIE-LCH	lch(27.77, 62.57, 296.97°)
OKLab	oklab(38.84% -0.0049 -0.1613)
OKLCH	oklch(38.84% 0.161 268.3)
XYZ	xyz(7.7737, 5.3715, 30.7579)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223799 #998422

analogous

#227399 #223799 #492299

triadic

#223799 #992237 #379922

tetradic

#223799 #992273 #998422 #229949

square

#223799 #992273 #998422 #229949

split-complementary

#223799 #994922 #739922

monochromatic

#0C1335 #172567 #223799 #2D49CB #5B71DB

Accessibility & contrast

On white

10.12

#223799 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#223799 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223799

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223799	#FFFFFF	#000000	##FFFFFF
##223799	1.00	10.12	2.07	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479C

Deuteranopia (green-blind)

#003C97

Tritanopia (blue-blind)

#005162

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #223799;
/* rgb */ color: rgb(34, 55, 153);
/* oklch */ color: oklch(38.8% 0.161 268.3);

Tailwind

colors: {
  custom: {
    50: '#716db8',
    500: '#223799',
    950: '#000000',
  },
}

SCSS

$custom: #223799;
$custom-light: #716db8;
$custom-dark: #000000;

JSON

{
  "hex": "#223799",
  "rgb": {
    "r": 34,
    "g": 55,
    "b": 153
  },
  "hsl": {
    "h": 229.412,
    "s": 63.636,
    "l": 36.667
  },
  "oklch": {
    "l": 0.38836,
    "c": 0.16133,
    "h": 268.3
  },
  "luminance": 0.05372
}

Semantic roles & 50–950 ramp

primary

#223799

secondary

#BFAD58

accent

#C941E7

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #223799

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

Preview Lab → · Contrast checker → · Palette generator →