Blue Lobelia

CSS

:root {
  --blue-lobelia: #28314d;
  --blue-lobelia-rgb: 40 49 77;
  --blue-lobelia-oklch: oklch(0.319 0.052 269.7);
}

.element {
  color: var(--blue-lobelia);
  background-color: hsl(225 32% 23%);
  border-color: oklch(0.319 0.052 269.7);
}

Tailwind CSS v4

@theme {
  --color-blue-lobelia: #28314d;
  --color-blue-lobelia-50: #f0f5ff;
  --color-blue-lobelia-100: #e1e7fa;
  --color-blue-lobelia-200: #ccd4eb;
  --color-blue-lobelia-300: #aeb6d3;
  --color-blue-lobelia-400: #929ebe;
  --color-blue-lobelia-500: #7885a9;
  --color-blue-lobelia-600: #66718f;
  --color-blue-lobelia-700: #515a73;
  --color-blue-lobelia-800: #3a4255;
  --color-blue-lobelia-900: #282e3b;
  --color-blue-lobelia-950: #161a25;
}

SCSS

$blue-lobelia: #28314d;
$blue-lobelia-rgb: 40, 49, 77;
$blue-lobelia-light: mix(#fff, $blue-lobelia, 20%);
$blue-lobelia-dark: mix(#000, $blue-lobelia, 20%);

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