#22178F#22178F

#22178F is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.8% C 0.182 H 273.8°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#22178F
RGB	rgb(34, 23, 143)
HSL	hsl(246, 72%, 33%)
HSV	hsv(246, 84%, 56%)
CMYK	cmyk(76.2%, 83.9%, 0%, 43.9%)
CIE-LAB	lab(19.78, 43.99, -62.76)
CIE-LCH	lch(19.78, 76.64, 305.03°)
OKLab	oklab(32.8% 0.0121 -0.1815)
OKLCH	oklch(32.8% 0.182 273.8)
XYZ	xyz(5.9224, 2.9354, 26.2357)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#22178F #848F17

analogous

#17488F #22178F #5E178F

triadic

#22178F #8F2217 #178F22

tetradic

#22178F #8F1748 #848F17 #178F5E

square

#22178F #8F1748 #848F17 #178F5E

split-complementary

#22178F #8F5E17 #488F17

monochromatic

#090626 #150F5A #22178F #2F1FC4 #4F40E0

Accessibility & contrast

On white

13.23

#22178F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#22178F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #22178F

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##22178F	#FFFFFF	#000000	##FFFFFF
##22178F	1.00	13.23	1.59	13.23
#FFFFFF	13.23	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003592

Deuteranopia (green-blind)

#002A8D

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #22178f;
/* rgb */ color: rgb(34, 23, 143);
/* oklch */ color: oklch(32.8% 0.182 273.8);

Tailwind

colors: {
  custom: {
    50: '#7158b1',
    500: '#22178f',
    950: '#000000',
  },
}

SCSS

$custom: #22178f;
$custom-light: #7158b1;
$custom-dark: #000000;

JSON

{
  "hex": "#22178f",
  "rgb": {
    "r": 34,
    "g": 23,
    "b": 143
  },
  "hsl": {
    "h": 245.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.328,
    "c": 0.18191,
    "h": 273.8
  },
  "luminance": 0.02936
}

Semantic roles & 50–950 ramp

primary

#22178F

secondary

#B5C141

accent

#EF39DE

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #22178F

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

Preview Lab → · Contrast checker → · Palette generator →