Nimbus Blue

CSS

:root {
  --nimbus-blue: #4422ff;
  --nimbus-blue-rgb: 68 34 255;
  --nimbus-blue-oklch: oklch(0.491 0.289 274.4);
}

.element {
  color: var(--nimbus-blue);
  background-color: hsl(249 100% 57%);
  border-color: oklch(0.491 0.289 274.4);
}

Tailwind CSS v4

@theme {
  --color-nimbus-blue: #4422ff;
  --color-nimbus-blue-50: #dfeeff;
  --color-nimbus-blue-100: #cedfff;
  --color-nimbus-blue-200: #b5c6ff;
  --color-nimbus-blue-300: #95a1ff;
  --color-nimbus-blue-400: #747fff;
  --color-nimbus-blue-500: #5e51ff;
  --color-nimbus-blue-600: #4f47ff;
  --color-nimbus-blue-700: #3f39d8;
  --color-nimbus-blue-800: #282aa3;
  --color-nimbus-blue-900: #1a1d74;
  --color-nimbus-blue-950: #0d0952;
}

SCSS

$nimbus-blue: #4422ff;
$nimbus-blue-rgb: 68, 34, 255;
$nimbus-blue-light: mix(#fff, $nimbus-blue, 20%);
$nimbus-blue-dark: mix(#000, $nimbus-blue, 20%);

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