#E0A7A3

CSS

:root {
  --pastel-pink: #e0a7a3;
  --pastel-pink-rgb: 224 167 163;
  --pastel-pink-oklch: oklch(0.78 0.068 23.3);
}

.element {
  color: var(--pastel-pink);
  background-color: hsl(4 50% 76%);
  border-color: oklch(0.78 0.068 23.3);
}

Tailwind CSS v4

@theme {
  --color-pastel-pink: #e0a7a3;
  --color-pastel-pink-50: #ffeeeb;
  --color-pastel-pink-100: #fee0dc;
  --color-pastel-pink-200: #f0cac6;
  --color-pastel-pink-300: #d8aba6;
  --color-pastel-pink-400: #c48f8b;
  --color-pastel-pink-500: #af7471;
  --color-pastel-pink-600: #946360;
  --color-pastel-pink-700: #774f4c;
  --color-pastel-pink-800: #583938;
  --color-pastel-pink-900: #3d2726;
  --color-pastel-pink-950: #271515;
}

SCSS

$pastel-pink: #e0a7a3;
$pastel-pink-rgb: 224, 167, 163;
$pastel-pink-light: mix(#fff, $pastel-pink, 20%);
$pastel-pink-dark: mix(#000, $pastel-pink, 20%);

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