Sonata Blue

CSS

:root {
  --sonata-blue: #8a9eae;
  --sonata-blue-rgb: 138 158 174;
  --sonata-blue-oklch: oklch(0.689 0.033 242.2);
}

.element {
  color: var(--sonata-blue);
  background-color: hsl(207 18% 61%);
  border-color: oklch(0.689 0.033 242.2);
}

Tailwind CSS v4

@theme {
  --color-sonata-blue: #8a9eae;
  --color-sonata-blue-50: #eef6fe;
  --color-sonata-blue-100: #dfe9f2;
  --color-sonata-blue-200: #c9d6e2;
  --color-sonata-blue-300: #aabac7;
  --color-sonata-blue-400: #8ea1b1;
  --color-sonata-blue-500: #74899a;
  --color-sonata-blue-600: #627483;
  --color-sonata-blue-700: #4e5d69;
  --color-sonata-blue-800: #38444d;
  --color-sonata-blue-900: #272f35;
  --color-sonata-blue-950: #151c20;
}

SCSS

$sonata-blue: #8a9eae;
$sonata-blue-rgb: 138, 158, 174;
$sonata-blue-light: mix(#fff, $sonata-blue, 20%);
$sonata-blue-dark: mix(#000, $sonata-blue, 20%);

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