#D23F6B

CSS

:root {
  --dark-pink: #d23f6b;
  --dark-pink-rgb: 210 63 107;
  --dark-pink-oklch: oklch(0.592 0.185 6.9);
}

.element {
  color: var(--dark-pink);
  background-color: hsl(342 62% 54%);
  border-color: oklch(0.592 0.185 6.9);
}

Tailwind CSS v4

@theme {
  --color-dark-pink: #d23f6b;
  --color-dark-pink-50: #ffe0ea;
  --color-dark-pink-100: #ffcfdb;
  --color-dark-pink-200: #ffb3c4;
  --color-dark-pink-300: #ff8ca4;
  --color-dark-pink-400: #f5688c;
  --color-dark-pink-500: #e33d71;
  --color-dark-pink-600: #c03660;
  --color-dark-pink-700: #9a2b4d;
  --color-dark-pink-800: #731e3a;
  --color-dark-pink-900: #511428;
  --color-dark-pink-950: #360416;
}

SCSS

$dark-pink: #d23f6b;
$dark-pink-rgb: 210, 63, 107;
$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);
}