#22178D#22178D

#22178D is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.6% C 0.180 H 274.1°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#22178D
RGB	rgb(34, 23, 141)
HSL	hsl(246, 72%, 32%)
HSV	hsv(246, 84%, 55%)
CMYK	cmyk(75.9%, 83.7%, 0%, 44.7%)
CIE-LAB	lab(19.54, 43.35, -61.92)
CIE-LCH	lch(19.54, 75.59, 305.00°)
OKLab	oklab(32.56% 0.0127 -0.1791)
OKLCH	oklch(32.56% 0.18 274.1)
XYZ	xyz(5.7722, 2.8754, 25.4449)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#22178D #828D17

analogous

#17478D #22178D #5D178D

triadic

#22178D #8D2217 #178D22

tetradic

#22178D #8D1747 #828D17 #178D5D

square

#22178D #8D1747 #828D17 #178D5D

split-complementary

#22178D #8D5D17 #478D17

monochromatic

#090624 #150E58 #22178D #2F20C2 #4E3FE0

Accessibility & contrast

On white

13.33

#22178D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#22178D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #22178D

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##22178D	#FFFFFF	#000000	##FFFFFF
##22178D	1.00	13.33	1.58	13.33
#FFFFFF	13.33	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003590

Deuteranopia (green-blind)

#002A8B

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #22178d;
/* rgb */ color: rgb(34, 23, 141);
/* oklch */ color: oklch(32.6% 0.180 274.1);

Tailwind

colors: {
  custom: {
    50: '#7158b0',
    500: '#22178d',
    950: '#000000',
  },
}

SCSS

$custom: #22178d;
$custom-light: #7158b0;
$custom-dark: #000000;

JSON

{
  "hex": "#22178d",
  "rgb": {
    "r": 34,
    "g": 23,
    "b": 141
  },
  "hsl": {
    "h": 245.593,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32559,
    "c": 0.17952,
    "h": 274.1
  },
  "luminance": 0.02876
}

Semantic roles & 50–950 ramp

primary

#22178D

secondary

#B4C040

accent

#EF39DE

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #22178D

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

Preview Lab → · Contrast checker → · Palette generator →