#DFDCEC

CSS

:root {
  --velvet-scarf: #dfdcec;
  --velvet-scarf-rgb: 223 220 236;
  --velvet-scarf-oklch: oklch(0.902 0.022 294.6);
}

.element {
  color: var(--velvet-scarf);
  background-color: hsl(251 30% 89%);
  border-color: oklch(0.902 0.022 294.6);
}

Tailwind CSS v4

@theme {
  --color-velvet-scarf: #dfdcec;
  --color-velvet-scarf-50: #f5f4fb;
  --color-velvet-scarf-100: #e8e6ee;
  --color-velvet-scarf-200: #d5d2dd;
  --color-velvet-scarf-300: #b8b5c2;
  --color-velvet-scarf-400: #9f9caa;
  --color-velvet-scarf-500: #878494;
  --color-velvet-scarf-600: #726f7d;
  --color-velvet-scarf-700: #5b5964;
  --color-velvet-scarf-800: #424149;
  --color-velvet-scarf-900: #2e2d33;
  --color-velvet-scarf-950: #1b1a1f;
}

SCSS

$velvet-scarf: #dfdcec;
$velvet-scarf-rgb: 223, 220, 236;
$velvet-scarf-light: mix(#fff, $velvet-scarf, 20%);
$velvet-scarf-dark: mix(#000, $velvet-scarf, 20%);

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