#22178B#22178B

#22178B is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.3% C 0.177 H 274.3°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#22178B
RGB	rgb(34, 23, 139)
HSL	hsl(246, 72%, 32%)
HSV	hsv(246, 83%, 55%)
CMYK	cmyk(75.5%, 83.5%, 0%, 45.5%)
CIE-LAB	lab(19.29, 42.72, -61.07)
CIE-LCH	lch(19.29, 74.53, 304.97°)
OKLab	oklab(32.32% 0.0133 -0.1766)
OKLCH	oklch(32.32% 0.177 274.3)
XYZ	xyz(5.6247, 2.8164, 24.6683)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#22178B #808B17

analogous

#17468B #22178B #5C178B

triadic

#22178B #8B2217 #178B22

tetradic

#22178B #8B1746 #808B17 #178B5C

square

#22178B #8B1746 #808B17 #178B5C

split-complementary

#22178B #8B5C17 #468B17

monochromatic

#080622 #150E56 #22178B #2F20C0 #4D3DDF

Accessibility & contrast

On white

13.43

#22178B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#22178B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #22178B

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##22178B	#FFFFFF	#000000	##FFFFFF
##22178B	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348E

Deuteranopia (green-blind)

#002989

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #22178b;
/* rgb */ color: rgb(34, 23, 139);
/* oklch */ color: oklch(32.3% 0.177 274.3);

Tailwind

colors: {
  custom: {
    50: '#7058ae',
    500: '#22178b',
    950: '#000000',
  },
}

SCSS

$custom: #22178b;
$custom-light: #7058ae;
$custom-dark: #000000;

JSON

{
  "hex": "#22178b",
  "rgb": {
    "r": 34,
    "g": 23,
    "b": 139
  },
  "hsl": {
    "h": 245.69,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32319,
    "c": 0.17712,
    "h": 274.3
  },
  "luminance": 0.02817
}

Semantic roles & 50–950 ramp

primary

#22178B

secondary

#B2BF3F

accent

#EE39DD

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090310

muted

#7B787F

Preview Lab

Preview with #22178B

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

Preview Lab → · Contrast checker → · Palette generator →