#D03A6F

CSS

:root {
  --dark-pink: #d03a6f;
  --dark-pink-rgb: 208 58 111;
  --dark-pink-oklch: oklch(0.585 0.189 3.9);
}

.element {
  color: var(--dark-pink);
  background-color: hsl(339 61% 52%);
  border-color: oklch(0.585 0.189 3.9);
}

Tailwind CSS v4

@theme {
  --color-dark-pink: #d03a6f;
  --color-dark-pink-50: #ffdfed;
  --color-dark-pink-100: #ffcede;
  --color-dark-pink-200: #ffb1c8;
  --color-dark-pink-300: #ff8ba9;
  --color-dark-pink-400: #f56692;
  --color-dark-pink-500: #e43a78;
  --color-dark-pink-600: #c03366;
  --color-dark-pink-700: #9b2951;
  --color-dark-pink-800: #731c3d;
  --color-dark-pink-900: #51132a;
  --color-dark-pink-950: #360418;
}

SCSS

$dark-pink: #d03a6f;
$dark-pink-rgb: 208, 58, 111;
$dark-pink-light: mix(#fff, $dark-pink, 20%);
$dark-pink-dark: mix(#000, $dark-pink, 20%);

.element {
  color: $dark-pink;
  box-shadow: 0 0 0 2px rgba($dark-pink, 0.35);
}