Violets Are Blue

CSS

:root {
  --violets-are-blue: #7487c6;
  --violets-are-blue-rgb: 116 135 198;
  --violets-are-blue-oklch: oklch(0.634 0.098 270.6);
}

.element {
  color: var(--violets-are-blue);
  background-color: hsl(226 42% 62%);
  border-color: oklch(0.634 0.098 270.6);
}

Tailwind CSS v4

@theme {
  --color-violets-are-blue: #7487c6;
  --color-violets-are-blue-50: #ebf4ff;
  --color-violets-are-blue-100: #dce7ff;
  --color-violets-are-blue-200: #c6d2ff;
  --color-violets-are-blue-300: #a6b5ea;
  --color-violets-are-blue-400: #889cd9;
  --color-violets-are-blue-500: #6e82c7;
  --color-violets-are-blue-600: #5d6ea8;
  --color-violets-are-blue-700: #4a5887;
  --color-violets-are-blue-800: #344164;
  --color-violets-are-blue-900: #242d46;
  --color-violets-are-blue-950: #13192e;
}

SCSS

$violets-are-blue: #7487c6;
$violets-are-blue-rgb: 116, 135, 198;
$violets-are-blue-light: mix(#fff, $violets-are-blue, 20%);
$violets-are-blue-dark: mix(#000, $violets-are-blue, 20%);

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