#6F5F84

CSS

:root {
  --berry-jam: #6f5f84;
  --berry-jam-rgb: 111 95 132;
  --berry-jam-oklch: oklch(0.515 0.06 304.1);
}

.element {
  color: var(--berry-jam);
  background-color: hsl(266 16% 45%);
  border-color: oklch(0.515 0.06 304.1);
}

Tailwind CSS v4

@theme {
  --color-berry-jam: #6f5f84;
  --color-berry-jam-50: #f9f1ff;
  --color-berry-jam-100: #ede3f8;
  --color-berry-jam-200: #dacee9;
  --color-berry-jam-300: #bfb0d0;
  --color-berry-jam-400: #a696bc;
  --color-berry-jam-500: #8f7ca7;
  --color-berry-jam-600: #79698d;
  --color-berry-jam-700: #615471;
  --color-berry-jam-800: #463e54;
  --color-berry-jam-900: #312a3b;
  --color-berry-jam-950: #1d1825;
}

SCSS

$berry-jam: #6f5f84;
$berry-jam-rgb: 111, 95, 132;
$berry-jam-light: mix(#fff, $berry-jam, 20%);
$berry-jam-dark: mix(#000, $berry-jam, 20%);

.element {
  color: $berry-jam;
  box-shadow: 0 0 0 2px rgba($berry-jam, 0.35);
}