#D00D7A

CSS

:root {
  --bottom-of-my-heart: #d00d7a;
  --bottom-of-my-heart-rgb: 208 13 122;
  --bottom-of-my-heart-oklch: oklch(0.562 0.226 355.7);
}

.element {
  color: var(--bottom-of-my-heart);
  background-color: hsl(326 88% 43%);
  border-color: oklch(0.562 0.226 355.7);
}

Tailwind CSS v4

@theme {
  --color-bottom-of-my-heart: #d00d7a;
  --color-bottom-of-my-heart-50: #ffdbf5;
  --color-bottom-of-my-heart-100: #ffc8e8;
  --color-bottom-of-my-heart-200: #ffaad4;
  --color-bottom-of-my-heart-300: #ff80b7;
  --color-bottom-of-my-heart-400: #fe56a3;
  --color-bottom-of-my-heart-500: #ed128c;
  --color-bottom-of-my-heart-600: #c81776;
  --color-bottom-of-my-heart-700: #a1145e;
  --color-bottom-of-my-heart-800: #770c48;
  --color-bottom-of-my-heart-900: #540832;
  --color-bottom-of-my-heart-950: #38001e;
}

SCSS

$bottom-of-my-heart: #d00d7a;
$bottom-of-my-heart-rgb: 208, 13, 122;
$bottom-of-my-heart-light: mix(#fff, $bottom-of-my-heart, 20%);
$bottom-of-my-heart-dark: mix(#000, $bottom-of-my-heart, 20%);

.element {
  color: $bottom-of-my-heart;
  box-shadow: 0 0 0 2px rgba($bottom-of-my-heart, 0.35);
}