#321B78#321B78

#321B78 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.0% C 0.147 H 286.1°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#321B78
RGB	rgb(50, 27, 120)
HSL	hsl(255, 63%, 29%)
HSV	hsv(255, 78%, 47%)
CMYK	cmyk(58.3%, 77.5%, 0%, 52.9%)
CIE-LAB	lab(19.30, 36.39, -48.99)
CIE-LCH	lch(19.30, 61.03, 306.61°)
OKLab	oklab(32.05% 0.0406 -0.141)
OKLCH	oklch(32.05% 0.147 286.1)
XYZ	xyz(5.0965, 2.8178, 18.0410)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#321B78 #61781B

analogous

#1B3378 #321B78 #611B78

triadic

#321B78 #78321B #1B7832

tetradic

#321B78 #781B33 #61781B #1B7861

square

#321B78 #781B33 #61781B #1B7861

split-complementary

#321B78 #78611B #33781B

monochromatic

#0A0619 #1D1046 #321B78 #4726AA #603BD3

Accessibility & contrast

On white

13.43

#321B78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#321B78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #321B78

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##321B78	#FFFFFF	#000000	##FFFFFF
##321B78	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)

#00317B

Deuteranopia (green-blind)

#002C76

Tritanopia (blue-blind)

#113548

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #321b78;
/* rgb */ color: rgb(50, 27, 120);
/* oklch */ color: oklch(32.0% 0.147 286.1);

Tailwind

colors: {
  custom: {
    50: '#735aa0',
    500: '#321b78',
    950: '#000000',
  },
}

SCSS

$custom: #321b78;
$custom-light: #735aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#321b78",
  "rgb": {
    "r": 50,
    "g": 27,
    "b": 120
  },
  "hsl": {
    "h": 254.839,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.32048,
    "c": 0.14674,
    "h": 286.1
  },
  "luminance": 0.02818
}

Semantic roles & 50–950 ramp

primary

#321B78

secondary

#92AC43

accent

#E641BE

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #321B78

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

Preview Lab → · Contrast checker → · Palette generator →