Blue Pencil

CSS

:root {
  --blue-pencil: #2200ff;
  --blue-pencil-rgb: 34 0 255;
  --blue-pencil-oklch: oklch(0.459 0.308 267.4);
}

.element {
  color: var(--blue-pencil);
  background-color: hsl(248 100% 50%);
  border-color: oklch(0.459 0.308 267.4);
}

Tailwind CSS v4

@theme {
  --color-blue-pencil: #2200ff;
  --color-blue-pencil-50: #d2f1ff;
  --color-blue-pencil-100: #bfe2ff;
  --color-blue-pencil-200: #a0caff;
  --color-blue-pencil-300: #7ba6ff;
  --color-blue-pencil-400: #5183ff;
  --color-blue-pencil-500: #3754ff;
  --color-blue-pencil-600: #2e4aff;
  --color-blue-pencil-700: #243ce2;
  --color-blue-pencil-800: #0e2caa;
  --color-blue-pencil-900: #081e79;
  --color-blue-pencil-950: #020a56;
}

SCSS

$blue-pencil: #2200ff;
$blue-pencil-rgb: 34, 0, 255;
$blue-pencil-light: mix(#fff, $blue-pencil, 20%);
$blue-pencil-dark: mix(#000, $blue-pencil, 20%);

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