Blue Plaza

CSS

:root {
  --blue-plaza: #30363c;
  --blue-plaza-rgb: 48 54 60;
  --blue-plaza-oklch: oklch(0.33 0.013 248.2);
}

.element {
  color: var(--blue-plaza);
  background-color: hsl(210 11% 21%);
  border-color: oklch(0.33 0.013 248.2);
}

Tailwind CSS v4

@theme {
  --color-blue-plaza: #30363c;
  --color-blue-plaza-50: #f2f5f9;
  --color-blue-plaza-100: #e5e8ec;
  --color-blue-plaza-200: #d0d5da;
  --color-blue-plaza-300: #b2b8be;
  --color-blue-plaza-400: #989fa6;
  --color-blue-plaza-500: #7f878f;
  --color-blue-plaza-600: #6c7279;
  --color-blue-plaza-700: #565b61;
  --color-blue-plaza-800: #3f4347;
  --color-blue-plaza-900: #2b2e31;
  --color-blue-plaza-950: #181b1d;
}

SCSS

$blue-plaza: #30363c;
$blue-plaza-rgb: 48, 54, 60;
$blue-plaza-light: mix(#fff, $blue-plaza, 20%);
$blue-plaza-dark: mix(#000, $blue-plaza, 20%);

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