Maritime Blue

CSS

:root {
  --maritime-blue: #2d3145;
  --maritime-blue-rgb: 45 49 69;
  --maritime-blue-oklch: oklch(0.318 0.036 275.4);
}

.element {
  color: var(--maritime-blue);
  background-color: hsl(230 21% 22%);
  border-color: oklch(0.318 0.036 275.4);
}

Tailwind CSS v4

@theme {
  --color-maritime-blue: #2d3145;
  --color-maritime-blue-50: #f2f4ff;
  --color-maritime-blue-100: #e4e7f4;
  --color-maritime-blue-200: #d0d3e4;
  --color-maritime-blue-300: #b2b6ca;
  --color-maritime-blue-400: #989db4;
  --color-maritime-blue-500: #7f859f;
  --color-maritime-blue-600: #6b7086;
  --color-maritime-blue-700: #565a6b;
  --color-maritime-blue-800: #3e424f;
  --color-maritime-blue-900: #2b2d37;
  --color-maritime-blue-950: #181a22;
}

SCSS

$maritime-blue: #2d3145;
$maritime-blue-rgb: 45, 49, 69;
$maritime-blue-light: mix(#fff, $maritime-blue, 20%);
$maritime-blue-dark: mix(#000, $maritime-blue, 20%);

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