#351356

CSS

:root {
  --fabric-of-space: #351356;
  --fabric-of-space-rgb: 53 19 86;
  --fabric-of-space-oklch: oklch(0.28 0.114 302.7);
}

.element {
  color: var(--fabric-of-space);
  background-color: hsl(270 64% 21%);
  border-color: oklch(0.28 0.114 302.7);
}

Tailwind CSS v4

@theme {
  --color-fabric-of-space: #351356;
  --color-fabric-of-space-50: #fceeff;
  --color-fabric-of-space-100: #f0dfff;
  --color-fabric-of-space-200: #dfc9fc;
  --color-fabric-of-space-300: #c5a9e7;
  --color-fabric-of-space-400: #ac8ed6;
  --color-fabric-of-space-500: #9572c4;
  --color-fabric-of-space-600: #7e61a6;
  --color-fabric-of-space-700: #654d85;
  --color-fabric-of-space-800: #493864;
  --color-fabric-of-space-900: #332746;
  --color-fabric-of-space-950: #1e152d;
}

SCSS

$fabric-of-space: #351356;
$fabric-of-space-rgb: 53, 19, 86;
$fabric-of-space-light: mix(#fff, $fabric-of-space, 20%);
$fabric-of-space-dark: mix(#000, $fabric-of-space, 20%);

.element {
  color: $fabric-of-space;
  box-shadow: 0 0 0 2px rgba($fabric-of-space, 0.35);
}