#DADAEB

CSS

:root {
  --velvet-scarf: #dadaeb;
  --velvet-scarf-rgb: 218 218 235;
  --velvet-scarf-oklch: oklch(0.893 0.023 285.9);
}

.element {
  color: var(--velvet-scarf);
  background-color: hsl(240 30% 89%);
  border-color: oklch(0.893 0.023 285.9);
}

Tailwind CSS v4

@theme {
  --color-velvet-scarf: #dadaeb;
  --color-velvet-scarf-50: #f4f4fc;
  --color-velvet-scarf-100: #e7e7ef;
  --color-velvet-scarf-200: #d3d3de;
  --color-velvet-scarf-300: #b6b6c3;
  --color-velvet-scarf-400: #9d9dac;
  --color-velvet-scarf-500: #848495;
  --color-velvet-scarf-600: #70707e;
  --color-velvet-scarf-700: #5a5965;
  --color-velvet-scarf-800: #41414a;
  --color-velvet-scarf-900: #2d2d34;
  --color-velvet-scarf-950: #1a1a1f;
}

SCSS

$velvet-scarf: #dadaeb;
$velvet-scarf-rgb: 218, 218, 235;
$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);
}