#D1037D

CSS

:root {
  --bottom-of-my-heart: #d1037d;
  --bottom-of-my-heart-rgb: 209 3 125;
  --bottom-of-my-heart-oklch: oklch(0.563 0.23 354.6);
}

.element {
  color: var(--bottom-of-my-heart);
  background-color: hsl(324 97% 42%);
  border-color: oklch(0.563 0.23 354.6);
}

Tailwind CSS v4

@theme {
  --color-bottom-of-my-heart: #d1037d;
  --color-bottom-of-my-heart-50: #ffdaf6;
  --color-bottom-of-my-heart-100: #ffc8e9;
  --color-bottom-of-my-heart-200: #ffa9d6;
  --color-bottom-of-my-heart-300: #ff7eba;
  --color-bottom-of-my-heart-400: #ff53a6;
  --color-bottom-of-my-heart-500: #ed058f;
  --color-bottom-of-my-heart-600: #c91179;
  --color-bottom-of-my-heart-700: #a11061;
  --color-bottom-of-my-heart-800: #78094a;
  --color-bottom-of-my-heart-900: #550733;
  --color-bottom-of-my-heart-950: #38001f;
}

SCSS

$bottom-of-my-heart: #d1037d;
$bottom-of-my-heart-rgb: 209, 3, 125;
$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);
}