#EF63DD

CSS

:root {
  --death-of-a-star: #ef63dd;
  --death-of-a-star-rgb: 239 99 221;
  --death-of-a-star-oklch: oklch(0.716 0.22 332.9);
}

.element {
  color: var(--death-of-a-star);
  background-color: hsl(308 81% 66%);
  border-color: oklch(0.716 0.22 332.9);
}

Tailwind CSS v4

@theme {
  --color-death-of-a-star: #ef63dd;
  --color-death-of-a-star-50: #ffdeff;
  --color-death-of-a-star-100: #ffccff;
  --color-death-of-a-star-200: #ffaffa;
  --color-death-of-a-star-300: #fa88e4;
  --color-death-of-a-star-400: #e663d5;
  --color-death-of-a-star-500: #d434c3;
  --color-death-of-a-star-600: #b32fa4;
  --color-death-of-a-star-700: #902684;
  --color-death-of-a-star-800: #6a1a64;
  --color-death-of-a-star-900: #4a1146;
  --color-death-of-a-star-950: #31032e;
}

SCSS

$death-of-a-star: #ef63dd;
$death-of-a-star-rgb: 239, 99, 221;
$death-of-a-star-light: mix(#fff, $death-of-a-star, 20%);
$death-of-a-star-dark: mix(#000, $death-of-a-star, 20%);

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