Fine Tuned Blue

CSS

:root {
  --fine-tuned-blue: #84989e;
  --fine-tuned-blue-rgb: 132 152 158;
  --fine-tuned-blue-oklch: oklch(0.666 0.024 217.8);
}

.element {
  color: var(--fine-tuned-blue);
  background-color: hsl(194 12% 57%);
  border-color: oklch(0.666 0.024 217.8);
}

Tailwind CSS v4

@theme {
  --color-fine-tuned-blue: #84989e;
  --color-fine-tuned-blue-50: #eef7fa;
  --color-fine-tuned-blue-100: #dfeaed;
  --color-fine-tuned-blue-200: #c9d7db;
  --color-fine-tuned-blue-300: #aabbc0;
  --color-fine-tuned-blue-400: #8fa2a8;
  --color-fine-tuned-blue-500: #758a91;
  --color-fine-tuned-blue-600: #63757b;
  --color-fine-tuned-blue-700: #4f5e62;
  --color-fine-tuned-blue-800: #394548;
  --color-fine-tuned-blue-900: #272f32;
  --color-fine-tuned-blue-950: #151c1e;
}

SCSS

$fine-tuned-blue: #84989e;
$fine-tuned-blue-rgb: 132, 152, 158;
$fine-tuned-blue-light: mix(#fff, $fine-tuned-blue, 20%);
$fine-tuned-blue-dark: mix(#000, $fine-tuned-blue, 20%);

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