#F061E1

CSS

:root {
  --death-of-a-star: #f061e1;
  --death-of-a-star-rgb: 240 97 225;
  --death-of-a-star-oklch: oklch(0.717 0.226 332);
}

.element {
  color: var(--death-of-a-star);
  background-color: hsl(306 83% 66%);
  border-color: oklch(0.717 0.226 332);
}

Tailwind CSS v4

@theme {
  --color-death-of-a-star: #f061e1;
  --color-death-of-a-star-50: #ffddff;
  --color-death-of-a-star-100: #ffccff;
  --color-death-of-a-star-200: #ffaefc;
  --color-death-of-a-star-300: #fb87e7;
  --color-death-of-a-star-400: #e760d8;
  --color-death-of-a-star-500: #d430c6;
  --color-death-of-a-star-600: #b32ba8;
  --color-death-of-a-star-700: #902387;
  --color-death-of-a-star-800: #6a1866;
  --color-death-of-a-star-900: #4b1048;
  --color-death-of-a-star-950: #31022f;
}

SCSS

$death-of-a-star: #f061e1;
$death-of-a-star-rgb: 240, 97, 225;
$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);
}