#C299D9

CSS

:root {
  --somewhere-in-a-fairytale: #c299d9;
  --somewhere-in-a-fairytale-rgb: 194 153 217;
  --somewhere-in-a-fairytale-oklch: oklch(0.743 0.1 313.1);
}

.element {
  color: var(--somewhere-in-a-fairytale);
  background-color: hsl(278 46% 73%);
  border-color: oklch(0.743 0.1 313.1);
}

Tailwind CSS v4

@theme {
  --color-somewhere-in-a-fairytale: #c299d9;
  --color-somewhere-in-a-fairytale-50: #ffedff;
  --color-somewhere-in-a-fairytale-100: #f5deff;
  --color-somewhere-in-a-fairytale-200: #e5c8f2;
  --color-somewhere-in-a-fairytale-300: #cba8db;
  --color-somewhere-in-a-fairytale-400: #b38dc9;
  --color-somewhere-in-a-fairytale-500: #9d71b5;
  --color-somewhere-in-a-fairytale-600: #856099;
  --color-somewhere-in-a-fairytale-700: #6b4d7b;
  --color-somewhere-in-a-fairytale-800: #4e385c;
  --color-somewhere-in-a-fairytale-900: #362640;
  --color-somewhere-in-a-fairytale-950: #211429;
}

SCSS

$somewhere-in-a-fairytale: #c299d9;
$somewhere-in-a-fairytale-rgb: 194, 153, 217;
$somewhere-in-a-fairytale-light: mix(#fff, $somewhere-in-a-fairytale, 20%);
$somewhere-in-a-fairytale-dark: mix(#000, $somewhere-in-a-fairytale, 20%);

.element {
  color: $somewhere-in-a-fairytale;
  box-shadow: 0 0 0 2px rgba($somewhere-in-a-fairytale, 0.35);
}