#D00080

CSS

:root {
  --bottom-of-my-heart: #d00080;
  --bottom-of-my-heart-rgb: 208 0 128;
  --bottom-of-my-heart-oklch: oklch(0.562 0.232 353.2);
}

.element {
  color: var(--bottom-of-my-heart);
  background-color: hsl(323 100% 41%);
  border-color: oklch(0.562 0.232 353.2);
}

Tailwind CSS v4

@theme {
  --color-bottom-of-my-heart: #d00080;
  --color-bottom-of-my-heart-50: #ffdaf8;
  --color-bottom-of-my-heart-100: #ffc7eb;
  --color-bottom-of-my-heart-200: #ffa8d9;
  --color-bottom-of-my-heart-300: #ff7ebd;
  --color-bottom-of-my-heart-400: #fe53aa;
  --color-bottom-of-my-heart-500: #ed0393;
  --color-bottom-of-my-heart-600: #c8107c;
  --color-bottom-of-my-heart-700: #a10f63;
  --color-bottom-of-my-heart-800: #77094c;
  --color-bottom-of-my-heart-900: #540735;
  --color-bottom-of-my-heart-950: #380020;
}

SCSS

$bottom-of-my-heart: #d00080;
$bottom-of-my-heart-rgb: 208, 0, 128;
$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);
}