Kashmir Blue

CSS

:root {
  --kashmir-blue: #576d8e;
  --kashmir-blue-rgb: 87 109 142;
  --kashmir-blue-oklch: oklch(0.53 0.059 258.3);
}

.element {
  color: var(--kashmir-blue);
  background-color: hsl(216 24% 45%);
  border-color: oklch(0.53 0.059 258.3);
}

Tailwind CSS v4

@theme {
  --color-kashmir-blue: #576d8e;
  --color-kashmir-blue-50: #ecf6ff;
  --color-kashmir-blue-100: #dde9fc;
  --color-kashmir-blue-200: #c6d5ee;
  --color-kashmir-blue-300: #a6b8d6;
  --color-kashmir-blue-400: #89a0c1;
  --color-kashmir-blue-500: #6e88ad;
  --color-kashmir-blue-600: #5e7392;
  --color-kashmir-blue-700: #4b5c75;
  --color-kashmir-blue-800: #354357;
  --color-kashmir-blue-900: #242f3d;
  --color-kashmir-blue-950: #131b26;
}

SCSS

$kashmir-blue: #576d8e;
$kashmir-blue-rgb: 87, 109, 142;
$kashmir-blue-light: mix(#fff, $kashmir-blue, 20%);
$kashmir-blue-dark: mix(#000, $kashmir-blue, 20%);

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