Blue Lava

CSS

:root {
  --blue-lava: #2e5169;
  --blue-lava-rgb: 46 81 105;
  --blue-lava-oklch: oklch(0.419 0.057 240);
}

.element {
  color: var(--blue-lava);
  background-color: hsl(204 39% 30%);
  border-color: oklch(0.419 0.057 240);
}

Tailwind CSS v4

@theme {
  --color-blue-lava: #2e5169;
  --color-blue-lava-50: #e8f8ff;
  --color-blue-lava-100: #d8ebfa;
  --color-blue-lava-200: #c0d8eb;
  --color-blue-lava-300: #9ebcd3;
  --color-blue-lava-400: #80a4bd;
  --color-blue-lava-500: #638ca9;
  --color-blue-lava-600: #54768e;
  --color-blue-lava-700: #435f72;
  --color-blue-lava-800: #2f4554;
  --color-blue-lava-900: #20303b;
  --color-blue-lava-950: #101c25;
}

SCSS

$blue-lava: #2e5169;
$blue-lava-rgb: 46, 81, 105;
$blue-lava-light: mix(#fff, $blue-lava, 20%);
$blue-lava-dark: mix(#000, $blue-lava, 20%);

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