#C695D4

CSS

:root {
  --somewhere-in-a-fairytale: #c695d4;
  --somewhere-in-a-fairytale-rgb: 198 149 212;
  --somewhere-in-a-fairytale-oklch: oklch(0.738 0.104 318.6);
}

.element {
  color: var(--somewhere-in-a-fairytale);
  background-color: hsl(287 42% 71%);
  border-color: oklch(0.738 0.104 318.6);
}

Tailwind CSS v4

@theme {
  --color-somewhere-in-a-fairytale: #c695d4;
  --color-somewhere-in-a-fairytale-50: #ffecff;
  --color-somewhere-in-a-fairytale-100: #f8ddfe;
  --color-somewhere-in-a-fairytale-200: #e9c6f0;
  --color-somewhere-in-a-fairytale-300: #d0a6d8;
  --color-somewhere-in-a-fairytale-400: #b98bc6;
  --color-somewhere-in-a-fairytale-500: #a36fb2;
  --color-somewhere-in-a-fairytale-600: #8a5e96;
  --color-somewhere-in-a-fairytale-700: #6f4b79;
  --color-somewhere-in-a-fairytale-800: #51375a;
  --color-somewhere-in-a-fairytale-900: #38253f;
  --color-somewhere-in-a-fairytale-950: #231428;
}

SCSS

$somewhere-in-a-fairytale: #c695d4;
$somewhere-in-a-fairytale-rgb: 198, 149, 212;
$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);
}