Trekking Blue

CSS

:root {
  --trekking-blue: #4e606d;
  --trekking-blue-rgb: 78 96 109;
  --trekking-blue-oklch: oklch(0.479 0.03 239.7);
}

.element {
  color: var(--trekking-blue);
  background-color: hsl(205 17% 37%);
  border-color: oklch(0.479 0.03 239.7);
}

Tailwind CSS v4

@theme {
  --color-trekking-blue: #4e606d;
  --color-trekking-blue-50: #eef6fd;
  --color-trekking-blue-100: #dfe9f1;
  --color-trekking-blue-200: #c9d6e0;
  --color-trekking-blue-300: #aabac6;
  --color-trekking-blue-400: #8fa1af;
  --color-trekking-blue-500: #748999;
  --color-trekking-blue-600: #637481;
  --color-trekking-blue-700: #4f5d67;
  --color-trekking-blue-800: #39444c;
  --color-trekking-blue-900: #272f35;
  --color-trekking-blue-950: #151c20;
}

SCSS

$trekking-blue: #4e606d;
$trekking-blue-rgb: 78, 96, 109;
$trekking-blue-light: mix(#fff, $trekking-blue, 20%);
$trekking-blue-dark: mix(#000, $trekking-blue, 20%);

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