#007091

CSS

:root {
  --blue-fjord: #007091;
  --blue-fjord-rgb: 0 112 145;
  --blue-fjord-oklch: oklch(0.508 0.098 227.1);
}

.element {
  color: var(--blue-fjord);
  background-color: hsl(194 100% 28%);
  border-color: oklch(0.508 0.098 227.1);
}

Tailwind CSS v4

@theme {
  --color-blue-fjord: #007091;
  --color-blue-fjord-50: #d9fbff;
  --color-blue-fjord-100: #c7efff;
  --color-blue-fjord-200: #a9ddf6;
  --color-blue-fjord-300: #81c2e0;
  --color-blue-fjord-400: #58aacb;
  --color-blue-fjord-500: #2893b8;
  --color-blue-fjord-600: #257c9c;
  --color-blue-fjord-700: #1e637d;
  --color-blue-fjord-800: #11495c;
  --color-blue-fjord-900: #0b3340;
  --color-blue-fjord-950: #001e29;
}

SCSS

$blue-fjord: #007091;
$blue-fjord-rgb: 0, 112, 145;
$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);
}