#59355C

CSS

:root {
  --long-passionate-night: #59355c;
  --long-passionate-night-rgb: 89 53 92;
  --long-passionate-night-oklch: oklch(0.388 0.078 324.2);
}

.element {
  color: var(--long-passionate-night);
  background-color: hsl(295 27% 28%);
  border-color: oklch(0.388 0.078 324.2);
}

Tailwind CSS v4

@theme {
  --color-long-passionate-night: #59355c;
  --color-long-passionate-night-50: #ffeeff;
  --color-long-passionate-night-100: #f6dff6;
  --color-long-passionate-night-200: #e7c9e6;
  --color-long-passionate-night-300: #cdaacd;
  --color-long-passionate-night-400: #b68fb9;
  --color-long-passionate-night-500: #a074a4;
  --color-long-passionate-night-600: #87638a;
  --color-long-passionate-night-700: #6d4f6f;
  --color-long-passionate-night-800: #4f3952;
  --color-long-passionate-night-900: #372739;
  --color-long-passionate-night-950: #221524;
}

SCSS

$long-passionate-night: #59355c;
$long-passionate-night-rgb: 89, 53, 92;
$long-passionate-night-light: mix(#fff, $long-passionate-night, 20%);
$long-passionate-night-dark: mix(#000, $long-passionate-night, 20%);

.element {
  color: $long-passionate-night;
  box-shadow: 0 0 0 2px rgba($long-passionate-night, 0.35);
}