Lilac Blue

CSS

:root {
  --lilac-blue: #8293ac;
  --lilac-blue-rgb: 130 147 172;
  --lilac-blue-oklch: oklch(0.659 0.042 257.9);
}

.element {
  color: var(--lilac-blue);
  background-color: hsl(216 20% 59%);
  border-color: oklch(0.659 0.042 257.9);
}

Tailwind CSS v4

@theme {
  --color-lilac-blue: #8293ac;
  --color-lilac-blue-50: #eef6ff;
  --color-lilac-blue-100: #e0e8f6;
  --color-lilac-blue-200: #cad5e7;
  --color-lilac-blue-300: #abb8ce;
  --color-lilac-blue-400: #8fa0b8;
  --color-lilac-blue-500: #7587a3;
  --color-lilac-blue-600: #637389;
  --color-lilac-blue-700: #4f5c6e;
  --color-lilac-blue-800: #394351;
  --color-lilac-blue-900: #272e38;
  --color-lilac-blue-950: #151b23;
}

SCSS

$lilac-blue: #8293ac;
$lilac-blue-rgb: 130, 147, 172;
$lilac-blue-light: mix(#fff, $lilac-blue, 20%);
$lilac-blue-dark: mix(#000, $lilac-blue, 20%);

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