#A097A8

CSS

:root {
  --lavender-ash: #a097a8;
  --lavender-ash-rgb: 160 151 168;
  --lavender-ash-oklch: oklch(0.69 0.027 309.2);
}

.element {
  color: var(--lavender-ash);
  background-color: hsl(272 9% 63%);
  border-color: oklch(0.69 0.027 309.2);
}

Tailwind CSS v4

@theme {
  --color-lavender-ash: #a097a8;
  --color-lavender-ash-50: #f8f3fb;
  --color-lavender-ash-100: #ebe5ef;
  --color-lavender-ash-200: #d8d1dd;
  --color-lavender-ash-300: #bcb4c2;
  --color-lavender-ash-400: #a39aab;
  --color-lavender-ash-500: #8b8294;
  --color-lavender-ash-600: #766e7d;
  --color-lavender-ash-700: #5e5864;
  --color-lavender-ash-800: #45404a;
  --color-lavender-ash-900: #302c33;
  --color-lavender-ash-950: #1c191f;
}

SCSS

$lavender-ash: #a097a8;
$lavender-ash-rgb: 160, 151, 168;
$lavender-ash-light: mix(#fff, $lavender-ash, 20%);
$lavender-ash-dark: mix(#000, $lavender-ash, 20%);

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