Trouser Blue

CSS

:root {
  --trouser-blue: #00666d;
  --trouser-blue-rgb: 0 102 109;
  --trouser-blue-oklch: oklch(0.465 0.079 203.1);
}

.element {
  color: var(--trouser-blue);
  background-color: hsl(184 100% 21%);
  border-color: oklch(0.465 0.079 203.1);
}

Tailwind CSS v4

@theme {
  --color-trouser-blue: #00666d;
  --color-trouser-blue-50: #dcfcff;
  --color-trouser-blue-100: #caf0f4;
  --color-trouser-blue-200: #addfe4;
  --color-trouser-blue-300: #86c4cb;
  --color-trouser-blue-400: #62acb3;
  --color-trouser-blue-500: #38959d;
  --color-trouser-blue-600: #317e85;
  --color-trouser-blue-700: #27656b;
  --color-trouser-blue-800: #1a4b4e;
  --color-trouser-blue-900: #113436;
  --color-trouser-blue-950: #031f21;
}

SCSS

$trouser-blue: #00666d;
$trouser-blue-rgb: 0, 102, 109;
$trouser-blue-light: mix(#fff, $trouser-blue, 20%);
$trouser-blue-dark: mix(#000, $trouser-blue, 20%);

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