Blue Silk

CSS

:root {
  --blue-silk: #d0dce8;
  --blue-silk-rgb: 208 220 232;
  --blue-silk-oklch: oklch(0.889 0.021 248.1);
}

.element {
  color: var(--blue-silk);
  background-color: hsl(210 34% 86%);
  border-color: oklch(0.889 0.021 248.1);
}

Tailwind CSS v4

@theme {
  --color-blue-silk: #d0dce8;
  --color-blue-silk-50: #f1f6fb;
  --color-blue-silk-100: #e3e9ef;
  --color-blue-silk-200: #ced5dd;
  --color-blue-silk-300: #b0b8c2;
  --color-blue-silk-400: #95a0ab;
  --color-blue-silk-500: #7c8894;
  --color-blue-silk-600: #69737d;
  --color-blue-silk-700: #545c64;
  --color-blue-silk-800: #3d4349;
  --color-blue-silk-900: #2a2e33;
  --color-blue-silk-950: #171b1f;
}

SCSS

$blue-silk: #d0dce8;
$blue-silk-rgb: 208, 220, 232;
$blue-silk-light: mix(#fff, $blue-silk, 20%);
$blue-silk-dark: mix(#000, $blue-silk, 20%);

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