#22178A#22178A

#22178A is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.176 H 274.4°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#22178A
RGB	rgb(34, 23, 138)
HSL	hsl(246, 71%, 32%)
HSV	hsv(246, 83%, 54%)
CMYK	cmyk(75.4%, 83.3%, 0%, 45.9%)
CIE-LAB	lab(19.17, 42.40, -60.65)
CIE-LCH	lch(19.17, 74.00, 304.96°)
OKLab	oklab(32.2% 0.0135 -0.1754)
OKLCH	oklch(32.2% 0.176 274.4)
XYZ	xyz(5.5520, 2.7873, 24.2852)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#22178A #7F8A17

analogous

#17468A #22178A #5C178A

triadic

#22178A #8A2217 #178A22

tetradic

#22178A #8A1746 #7F8A17 #178A5C

square

#22178A #8A1746 #7F8A17 #178A5C

split-complementary

#22178A #8A5C17 #468A17

monochromatic

#080621 #150E56 #22178A #2F20BE #4C3DDF

Accessibility & contrast

On white

13.48

#22178A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#22178A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #22178A

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##22178A	#FFFFFF	#000000	##FFFFFF
##22178A	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348D

Deuteranopia (green-blind)

#002988

Tritanopia (blue-blind)

#003B51

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #22178a;
/* rgb */ color: rgb(34, 23, 138);
/* oklch */ color: oklch(32.2% 0.176 274.4);

Tailwind

colors: {
  custom: {
    50: '#7058ad',
    500: '#22178a',
    950: '#000000',
  },
}

SCSS

$custom: #22178a;
$custom-light: #7058ad;
$custom-dark: #000000;

JSON

{
  "hex": "#22178a",
  "rgb": {
    "r": 34,
    "g": 23,
    "b": 138
  },
  "hsl": {
    "h": 245.739,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32199,
    "c": 0.17591,
    "h": 274.4
  },
  "luminance": 0.02788
}

Semantic roles & 50–950 ramp

primary

#22178A

secondary

#B2BE3F

accent

#EE3ADD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #22178A

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

Preview Lab → · Contrast checker → · Palette generator →