#7B2466

CSS

:root {
  --bane-of-royalty: #7b2466;
  --bane-of-royalty-rgb: 123 36 102;
  --bane-of-royalty-oklch: oklch(0.419 0.142 338.9);
}

.element {
  color: var(--bane-of-royalty);
  background-color: hsl(314 55% 31%);
  border-color: oklch(0.419 0.142 338.9);
}

Tailwind CSS v4

@theme {
  --color-bane-of-royalty: #7b2466;
  --color-bane-of-royalty-50: #ffe6ff;
  --color-bane-of-royalty-100: #ffd6f6;
  --color-bane-of-royalty-200: #ffbde6;
  --color-bane-of-royalty-300: #e99acd;
  --color-bane-of-royalty-400: #d47bba;
  --color-bane-of-royalty-500: #c15ba5;
  --color-bane-of-royalty-600: #a34e8b;
  --color-bane-of-royalty-700: #833e70;
  --color-bane-of-royalty-800: #602d54;
  --color-bane-of-royalty-900: #441e3b;
  --color-bane-of-royalty-950: #2b0e25;
}

SCSS

$bane-of-royalty: #7b2466;
$bane-of-royalty-rgb: 123, 36, 102;
$bane-of-royalty-light: mix(#fff, $bane-of-royalty, 20%);
$bane-of-royalty-dark: mix(#000, $bane-of-royalty, 20%);

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