#0D7F9E

CSS

:root {
  --ahoy-blue: #0d7f9e;
  --ahoy-blue-rgb: 13 127 158;
  --ahoy-blue-oklch: oklch(0.555 0.101 223.4);
}

.element {
  color: var(--ahoy-blue);
  background-color: hsl(193 85% 34%);
  border-color: oklch(0.555 0.101 223.4);
}

Tailwind CSS v4

@theme {
  --color-ahoy-blue: #0d7f9e;
  --color-ahoy-blue-50: #d8fcff;
  --color-ahoy-blue-100: #c5f0ff;
  --color-ahoy-blue-200: #a6def5;
  --color-ahoy-blue-300: #7dc3df;
  --color-ahoy-blue-400: #52abca;
  --color-ahoy-blue-500: #1894b7;
  --color-ahoy-blue-600: #1a7d9a;
  --color-ahoy-blue-700: #15647c;
  --color-ahoy-blue-800: #0a4a5b;
  --color-ahoy-blue-900: #073340;
  --color-ahoy-blue-950: #001f29;
}

SCSS

$ahoy-blue: #0d7f9e;
$ahoy-blue-rgb: 13, 127, 158;
$ahoy-blue-light: mix(#fff, $ahoy-blue, 20%);
$ahoy-blue-dark: mix(#000, $ahoy-blue, 20%);

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