Hamilton Blue

CSS

:root {
  --hamilton-blue: #8a99a4;
  --hamilton-blue-rgb: 138 153 164;
  --hamilton-blue-oklch: oklch(0.675 0.024 239.6);
}

.element {
  color: var(--hamilton-blue);
  background-color: hsl(205 13% 59%);
  border-color: oklch(0.675 0.024 239.6);
}

Tailwind CSS v4

@theme {
  --color-hamilton-blue: #8a99a4;
  --color-hamilton-blue-50: #eff6fb;
  --color-hamilton-blue-100: #e1e9ef;
  --color-hamilton-blue-200: #ccd6de;
  --color-hamilton-blue-300: #adb9c3;
  --color-hamilton-blue-400: #92a1ab;
  --color-hamilton-blue-500: #788995;
  --color-hamilton-blue-600: #66747e;
  --color-hamilton-blue-700: #525d65;
  --color-hamilton-blue-800: #3b444a;
  --color-hamilton-blue-900: #282f33;
  --color-hamilton-blue-950: #161b1f;
}

SCSS

$hamilton-blue: #8a99a4;
$hamilton-blue-rgb: 138, 153, 164;
$hamilton-blue-light: mix(#fff, $hamilton-blue, 20%);
$hamilton-blue-dark: mix(#000, $hamilton-blue, 20%);

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