#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
RGBrgb(50, 27, 155)
HSLhsl(251, 70%, 36%)
HSVhsv(251, 83%, 61%)
CMYKcmyk(67.7%, 82.6%, 0%, 39.2%)
CIE-LABlab(23.09, 47.10, -64.65)
CIE-LCHlch(23.09, 79.99, 306.08°)
OKLaboklab(35.82% 0.0301 -0.1867)
OKLCHoklch(35.82% 0.189 279.1)
XYZxyz(7.6218, 3.8279, 31.3412)
Luminance0.0383 (WCAG relative)
Temperaturecool
Familyviolet

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
##321B9B1.0011.891.7711.89
#FFFFFF11.891.0021.001.00
#0000001.7721.001.0021.00
##FFFFFF11.891.0021.001.00

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 →

#321B9B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva