Lichen Blue

CSS

:root {
  --lichen-blue: #5d89b3;
  --lichen-blue-rgb: 93 137 179;
  --lichen-blue-oklch: oklch(0.615 0.08 248.1);
}

.element {
  color: var(--lichen-blue);
  background-color: hsl(209 36% 53%);
  border-color: oklch(0.615 0.08 248.1);
}

Tailwind CSS v4

@theme {
  --color-lichen-blue: #5d89b3;
  --color-lichen-blue-50: #e5f8ff;
  --color-lichen-blue-100: #d4ebff;
  --color-lichen-blue-200: #bbd8f6;
  --color-lichen-blue-300: #99bbe0;
  --color-lichen-blue-400: #78a3cc;
  --color-lichen-blue-500: #5a8bb9;
  --color-lichen-blue-600: #4c759c;
  --color-lichen-blue-700: #3d5e7d;
  --color-lichen-blue-800: #2a455d;
  --color-lichen-blue-900: #1c3041;
  --color-lichen-blue-950: #0c1c2a;
}

SCSS

$lichen-blue: #5d89b3;
$lichen-blue-rgb: 93, 137, 179;
$lichen-blue-light: mix(#fff, $lichen-blue, 20%);
$lichen-blue-dark: mix(#000, $lichen-blue, 20%);

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