#293975

CSS

:root {
  --good-karma: #293975;
  --good-karma-rgb: 41 57 117;
  --good-karma-oklch: oklch(0.366 0.105 269.4);
}

.element {
  color: var(--good-karma);
  background-color: hsl(227 48% 31%);
  border-color: oklch(0.366 0.105 269.4);
}

Tailwind CSS v4

@theme {
  --color-good-karma: #293975;
  --color-good-karma-50: #eaf4ff;
  --color-good-karma-100: #dbe7ff;
  --color-good-karma-200: #c4d3ff;
  --color-good-karma-300: #a4b5ee;
  --color-good-karma-400: #869cdd;
  --color-good-karma-500: #6a82cc;
  --color-good-karma-600: #5a6eac;
  --color-good-karma-700: #48588a;
  --color-good-karma-800: #324167;
  --color-good-karma-900: #222d48;
  --color-good-karma-950: #11192f;
}

SCSS

$good-karma: #293975;
$good-karma-rgb: 41, 57, 117;
$good-karma-light: mix(#fff, $good-karma, 20%);
$good-karma-dark: mix(#000, $good-karma, 20%);

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