#D20178

CSS

:root {
  --bottom-of-my-heart: #d20178;
  --bottom-of-my-heart-rgb: 210 1 120;
  --bottom-of-my-heart-oklch: oklch(0.563 0.23 356.6);
}

.element {
  color: var(--bottom-of-my-heart);
  background-color: hsl(326 99% 41%);
  border-color: oklch(0.563 0.23 356.6);
}

Tailwind CSS v4

@theme {
  --color-bottom-of-my-heart: #d20178;
  --color-bottom-of-my-heart-50: #ffdaf4;
  --color-bottom-of-my-heart-100: #ffc8e7;
  --color-bottom-of-my-heart-200: #ffa9d3;
  --color-bottom-of-my-heart-300: #ff7eb5;
  --color-bottom-of-my-heart-400: #ff53a1;
  --color-bottom-of-my-heart-500: #ef0389;
  --color-bottom-of-my-heart-600: #ca1074;
  --color-bottom-of-my-heart-700: #a20f5d;
  --color-bottom-of-my-heart-800: #790947;
  --color-bottom-of-my-heart-900: #550731;
  --color-bottom-of-my-heart-950: #39001d;
}

SCSS

$bottom-of-my-heart: #d20178;
$bottom-of-my-heart-rgb: 210, 1, 120;
$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);
}