Intermediate Blue

CSS

:root {
  --intermediate-blue: #56626e;
  --intermediate-blue-rgb: 86 98 110;
  --intermediate-blue-oklch: oklch(0.49 0.024 248.3);
}

.element {
  color: var(--intermediate-blue);
  background-color: hsl(210 12% 38%);
  border-color: oklch(0.49 0.024 248.3);
}

Tailwind CSS v4

@theme {
  --color-intermediate-blue: #56626e;
  --color-intermediate-blue-50: #f0f6fc;
  --color-intermediate-blue-100: #e2e9f0;
  --color-intermediate-blue-200: #cdd5df;
  --color-intermediate-blue-300: #aeb9c4;
  --color-intermediate-blue-400: #94a0ac;
  --color-intermediate-blue-500: #7a8896;
  --color-intermediate-blue-600: #67737f;
  --color-intermediate-blue-700: #535c66;
  --color-intermediate-blue-800: #3c434a;
  --color-intermediate-blue-900: #292f34;
  --color-intermediate-blue-950: #171b1f;
}

SCSS

$intermediate-blue: #56626e;
$intermediate-blue-rgb: 86, 98, 110;
$intermediate-blue-light: mix(#fff, $intermediate-blue, 20%);
$intermediate-blue-dark: mix(#000, $intermediate-blue, 20%);

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