#3C3C74

CSS

:root {
  --good-karma: #3c3c74;
  --good-karma-rgb: 60 60 116;
  --good-karma-oklch: oklch(0.386 0.093 281.1);
}

.element {
  color: var(--good-karma);
  background-color: hsl(240 32% 35%);
  border-color: oklch(0.386 0.093 281.1);
}

Tailwind CSS v4

@theme {
  --color-good-karma: #3c3c74;
  --color-good-karma-50: #f1f2ff;
  --color-good-karma-100: #e3e5ff;
  --color-good-karma-200: #ced0fc;
  --color-good-karma-300: #b0b2e6;
  --color-good-karma-400: #9498d5;
  --color-good-karma-500: #7b7ec3;
  --color-good-karma-600: #686ba4;
  --color-good-karma-700: #535684;
  --color-good-karma-800: #3b3f62;
  --color-good-karma-900: #292b45;
  --color-good-karma-950: #17182d;
}

SCSS

$good-karma: #3c3c74;
$good-karma-rgb: 60, 60, 116;
$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);
}