#C99DDB

CSS

:root {
  --somewhere-in-a-fairytale: #c99ddb;
  --somewhere-in-a-fairytale-rgb: 201 157 219;
  --somewhere-in-a-fairytale-oklch: oklch(0.758 0.099 315.9);
}

.element {
  color: var(--somewhere-in-a-fairytale);
  background-color: hsl(283 46% 74%);
  border-color: oklch(0.758 0.099 315.9);
}

Tailwind CSS v4

@theme {
  --color-somewhere-in-a-fairytale: #c99ddb;
  --color-somewhere-in-a-fairytale-50: #ffedff;
  --color-somewhere-in-a-fairytale-100: #f6defe;
  --color-somewhere-in-a-fairytale-200: #e6c8f0;
  --color-somewhere-in-a-fairytale-300: #cda8d9;
  --color-somewhere-in-a-fairytale-400: #b58cc6;
  --color-somewhere-in-a-fairytale-500: #a071b2;
  --color-somewhere-in-a-fairytale-600: #876097;
  --color-somewhere-in-a-fairytale-700: #6c4c79;
  --color-somewhere-in-a-fairytale-800: #4f385a;
  --color-somewhere-in-a-fairytale-900: #37263f;
  --color-somewhere-in-a-fairytale-950: #221428;
}

SCSS

$somewhere-in-a-fairytale: #c99ddb;
$somewhere-in-a-fairytale-rgb: 201, 157, 219;
$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);
}