#007493

CSS

:root {
  --blue-fjord: #007493;
  --blue-fjord-rgb: 0 116 147;
  --blue-fjord-oklch: oklch(0.52 0.098 224.7);
}

.element {
  color: var(--blue-fjord);
  background-color: hsl(193 100% 29%);
  border-color: oklch(0.52 0.098 224.7);
}

Tailwind CSS v4

@theme {
  --color-blue-fjord: #007493;
  --color-blue-fjord-50: #d9fcff;
  --color-blue-fjord-100: #c6efff;
  --color-blue-fjord-200: #a8def5;
  --color-blue-fjord-300: #7fc2de;
  --color-blue-fjord-400: #56abca;
  --color-blue-fjord-500: #2393b7;
  --color-blue-fjord-600: #217d9a;
  --color-blue-fjord-700: #1b647c;
  --color-blue-fjord-800: #0f4a5b;
  --color-blue-fjord-900: #0a3340;
  --color-blue-fjord-950: #001f29;
}

SCSS

$blue-fjord: #007493;
$blue-fjord-rgb: 0, 116, 147;
$blue-fjord-light: mix(#fff, $blue-fjord, 20%);
$blue-fjord-dark: mix(#000, $blue-fjord, 20%);

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