#321B9B#321B9B

#321B9B is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.8% C 0.189 H 279.1°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#321B9B
RGB	rgb(50, 27, 155)
HSL	hsl(251, 70%, 36%)
HSV	hsv(251, 83%, 61%)
CMYK	cmyk(67.7%, 82.6%, 0%, 39.2%)
CIE-LAB	lab(23.09, 47.10, -64.65)
CIE-LCH	lch(23.09, 79.99, 306.08°)
OKLab	oklab(35.82% 0.0301 -0.1867)
OKLCH	oklch(35.82% 0.189 279.1)
XYZ	xyz(7.6218, 3.8279, 31.3412)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#321B9B #849B1B

analogous

#1B449B #321B9B #721B9B

triadic

#321B9B #9B321B #1B9B32

tetradic

#321B9B #9B1B44 #849B1B #1B9B72

square

#321B9B #9B1B44 #849B1B #1B9B72

split-complementary

#321B9B #9B721B #449B1B

monochromatic

#100933 #211267 #321B9B #4324CF #6A50E0

Accessibility & contrast

On white

11.89

#321B9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#321B9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #321B9B

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##321B9B	#FFFFFF	#000000	##FFFFFF
##321B9B	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9E

Deuteranopia (green-blind)

#003299

Tritanopia (blue-blind)

#00435C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #321b9b;
/* rgb */ color: rgb(50, 27, 155);
/* oklch */ color: oklch(35.8% 0.189 279.1);

Tailwind

colors: {
  custom: {
    50: '#7a5cba',
    500: '#321b9b',
    950: '#000000',
  },
}

SCSS

$custom: #321b9b;
$custom-light: #7a5cba;
$custom-dark: #000000;

JSON

{
  "hex": "#321b9b",
  "rgb": {
    "r": 50,
    "g": 27,
    "b": 155
  },
  "hsl": {
    "h": 250.781,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.35823,
    "c": 0.18909,
    "h": 279.1
  },
  "luminance": 0.03829
}

Semantic roles & 50–950 ramp

primary

#321B9B

secondary

#AEC34F

accent

#ED3BCD

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #321B9B

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

Preview Lab → · Contrast checker → · Palette generator →