Chilly Blue

CSS

:root {
  --chilly-blue: #8aaec3;
  --chilly-blue-rgb: 138 174 195;
  --chilly-blue-oklch: oklch(0.732 0.05 233.9);
}

.element {
  color: var(--chilly-blue);
  background-color: hsl(202 32% 65%);
  border-color: oklch(0.732 0.05 233.9);
}

Tailwind CSS v4

@theme {
  --color-chilly-blue: #8aaec3;
  --color-chilly-blue-50: #e8f8ff;
  --color-chilly-blue-100: #d9ebf7;
  --color-chilly-blue-200: #c1d8e7;
  --color-chilly-blue-300: #a0bcce;
  --color-chilly-blue-400: #82a4b8;
  --color-chilly-blue-500: #658ca2;
  --color-chilly-blue-600: #567789;
  --color-chilly-blue-700: #455f6e;
  --color-chilly-blue-800: #314651;
  --color-chilly-blue-900: #213038;
  --color-chilly-blue-950: #101c23;
}

SCSS

$chilly-blue: #8aaec3;
$chilly-blue-rgb: 138, 174, 195;
$chilly-blue-light: mix(#fff, $chilly-blue, 20%);
$chilly-blue-dark: mix(#000, $chilly-blue, 20%);

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