#D03A6C

CSS

:root {
  --dark-pink: #d03a6c;
  --dark-pink-rgb: 208 58 108;
  --dark-pink-oklch: oklch(0.584 0.189 5.2);
}

.element {
  color: var(--dark-pink);
  background-color: hsl(340 61% 52%);
  border-color: oklch(0.584 0.189 5.2);
}

Tailwind CSS v4

@theme {
  --color-dark-pink: #d03a6c;
  --color-dark-pink-50: #ffdfec;
  --color-dark-pink-100: #ffcedd;
  --color-dark-pink-200: #ffb2c6;
  --color-dark-pink-300: #ff8ba6;
  --color-dark-pink-400: #f6668f;
  --color-dark-pink-500: #e43b75;
  --color-dark-pink-600: #c13463;
  --color-dark-pink-700: #9b294f;
  --color-dark-pink-800: #731c3c;
  --color-dark-pink-900: #511329;
  --color-dark-pink-950: #360417;
}

SCSS

$dark-pink: #d03a6c;
$dark-pink-rgb: 208, 58, 108;
$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);
}