Smalt Blue

CSS

:root {
  --smalt-blue: #496267;
  --smalt-blue-rgb: 73 98 103;
  --smalt-blue-oklch: oklch(0.478 0.031 211.3);
}

.element {
  color: var(--smalt-blue);
  background-color: hsl(190 17% 35%);
  border-color: oklch(0.478 0.031 211.3);
}

Tailwind CSS v4

@theme {
  --color-smalt-blue: #496267;
  --color-smalt-blue-50: #ecf8fa;
  --color-smalt-blue-100: #ddebee;
  --color-smalt-blue-200: #c6d8dc;
  --color-smalt-blue-300: #a6bcc1;
  --color-smalt-blue-400: #8aa4a9;
  --color-smalt-blue-500: #6f8c92;
  --color-smalt-blue-600: #5e767b;
  --color-smalt-blue-700: #4b5f63;
  --color-smalt-blue-800: #364548;
  --color-smalt-blue-900: #253032;
  --color-smalt-blue-950: #141c1e;
}

SCSS

$smalt-blue: #496267;
$smalt-blue-rgb: 73, 98, 103;
$smalt-blue-light: mix(#fff, $smalt-blue, 20%);
$smalt-blue-dark: mix(#000, $smalt-blue, 20%);

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