Blue Alps

CSS

:root {
  --blue-alps: #89a3ae;
  --blue-alps-rgb: 137 163 174;
  --blue-alps-oklch: oklch(0.699 0.033 225.3);
}

.element {
  color: var(--blue-alps);
  background-color: hsl(198 19% 61%);
  border-color: oklch(0.699 0.033 225.3);
}

Tailwind CSS v4

@theme {
  --color-blue-alps: #89a3ae;
  --color-blue-alps-50: #ecf7fd;
  --color-blue-alps-100: #ddeaf1;
  --color-blue-alps-200: #c6d7df;
  --color-blue-alps-300: #a7bbc5;
  --color-blue-alps-400: #8aa3ad;
  --color-blue-alps-500: #6f8b97;
  --color-blue-alps-600: #5e7680;
  --color-blue-alps-700: #4b5e66;
  --color-blue-alps-800: #36454b;
  --color-blue-alps-900: #253034;
  --color-blue-alps-950: #141c1f;
}

SCSS

$blue-alps: #89a3ae;
$blue-alps-rgb: 137, 163, 174;
$blue-alps-light: mix(#fff, $blue-alps, 20%);
$blue-alps-dark: mix(#000, $blue-alps, 20%);

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