#C34A6A

CSS

:root {
  --dark-pink: #c34a6a;
  --dark-pink-rgb: 195 74 106;
  --dark-pink-oklch: oklch(0.58 0.157 7.1);
}

.element {
  color: var(--dark-pink);
  background-color: hsl(344 50% 53%);
  border-color: oklch(0.58 0.157 7.1);
}

Tailwind CSS v4

@theme {
  --color-dark-pink: #c34a6a;
  --color-dark-pink-50: #ffe3ec;
  --color-dark-pink-100: #ffd3dd;
  --color-dark-pink-200: #ffb8c6;
  --color-dark-pink-300: #fb94a6;
  --color-dark-pink-400: #ea738e;
  --color-dark-pink-500: #d74f74;
  --color-dark-pink-600: #b64462;
  --color-dark-pink-700: #92364e;
  --color-dark-pink-800: #6d263b;
  --color-dark-pink-900: #4c1a28;
  --color-dark-pink-950: #320916;
}

SCSS

$dark-pink: #c34a6a;
$dark-pink-rgb: 195, 74, 106;
$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);
}