#FC6D60

CSS

:root {
  --pastel-red: #fc6d60;
  --pastel-red-rgb: 252 109 96;
  --pastel-red-oklch: oklch(0.708 0.177 27.7);
}

.element {
  color: var(--pastel-red);
  background-color: hsl(5 96% 68%);
  border-color: oklch(0.708 0.177 27.7);
}

Tailwind CSS v4

@theme {
  --color-pastel-red: #fc6d60;
  --color-pastel-red-50: #ffe3d8;
  --color-pastel-red-100: #ffd2c5;
  --color-pastel-red-200: #ffb7a8;
  --color-pastel-red-300: #ff9281;
  --color-pastel-red-400: #f56e61;
  --color-pastel-red-500: #e4473e;
  --color-pastel-red-600: #c03d35;
  --color-pastel-red-700: #9b312a;
  --color-pastel-red-800: #742220;
  --color-pastel-red-900: #521715;
  --color-pastel-red-950: #360607;
}

SCSS

$pastel-red: #fc6d60;
$pastel-red-rgb: 252, 109, 96;
$pastel-red-light: mix(#fff, $pastel-red, 20%);
$pastel-red-dark: mix(#000, $pastel-red, 20%);

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