#C788D6

CSS

:root {
  --somewhere-in-a-fairytale: #c788d6;
  --somewhere-in-a-fairytale-rgb: 199 136 214;
  --somewhere-in-a-fairytale-oklch: oklch(0.717 0.129 319.7);
}

.element {
  color: var(--somewhere-in-a-fairytale);
  background-color: hsl(288 49% 69%);
  border-color: oklch(0.717 0.129 319.7);
}

Tailwind CSS v4

@theme {
  --color-somewhere-in-a-fairytale: #c788d6;
  --color-somewhere-in-a-fairytale-50: #ffeaff;
  --color-somewhere-in-a-fairytale-100: #fddaff;
  --color-somewhere-in-a-fairytale-200: #efc2f6;
  --color-somewhere-in-a-fairytale-300: #d7a1df;
  --color-somewhere-in-a-fairytale-400: #c084ce;
  --color-somewhere-in-a-fairytale-500: #ab67bb;
  --color-somewhere-in-a-fairytale-600: #90589e;
  --color-somewhere-in-a-fairytale-700: #74467f;
  --color-somewhere-in-a-fairytale-800: #55335f;
  --color-somewhere-in-a-fairytale-900: #3b2243;
  --color-somewhere-in-a-fairytale-950: #25112b;
}

SCSS

$somewhere-in-a-fairytale: #c788d6;
$somewhere-in-a-fairytale-rgb: 199, 136, 214;
$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);
}