#F8F5F7

CSS

:root {
  --french-porcelain: #f8f5f7;
  --french-porcelain-rgb: 248 245 247;
  --french-porcelain-oklch: oklch(0.973 0.004 337.4);
}

.element {
  color: var(--french-porcelain);
  background-color: hsl(320 18% 97%);
  border-color: oklch(0.973 0.004 337.4);
}

Tailwind CSS v4

@theme {
  --color-french-porcelain: #f8f5f7;
  --color-french-porcelain-50: #f6f5f5;
  --color-french-porcelain-100: #e9e7e8;
  --color-french-porcelain-200: #d5d3d5;
  --color-french-porcelain-300: #b9b6b8;
  --color-french-porcelain-400: #a09d9f;
  --color-french-porcelain-500: #888587;
  --color-french-porcelain-600: #737172;
  --color-french-porcelain-700: #5c5a5b;
  --color-french-porcelain-800: #434243;
  --color-french-porcelain-900: #2e2d2e;
  --color-french-porcelain-950: #1b1a1b;
}

SCSS

$french-porcelain: #f8f5f7;
$french-porcelain-rgb: 248, 245, 247;
$french-porcelain-light: mix(#fff, $french-porcelain, 20%);
$french-porcelain-dark: mix(#000, $french-porcelain, 20%);

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