Symphony of Blue

CSS

:root {
  --symphony-of-blue: #89a0a6;
  --symphony-of-blue-rgb: 137 160 166;
  --symphony-of-blue-oklch: oklch(0.69 0.027 215.2);
}

.element {
  color: var(--symphony-of-blue);
  background-color: hsl(192 14% 59%);
  border-color: oklch(0.69 0.027 215.2);
}

Tailwind CSS v4

@theme {
  --color-symphony-of-blue: #89a0a6;
  --color-symphony-of-blue-50: #edf7fa;
  --color-symphony-of-blue-100: #deeaee;
  --color-symphony-of-blue-200: #c8d7dc;
  --color-symphony-of-blue-300: #a9bbc1;
  --color-symphony-of-blue-400: #8da3a9;
  --color-symphony-of-blue-500: #728b92;
  --color-symphony-of-blue-600: #61767b;
  --color-symphony-of-blue-700: #4d5e63;
  --color-symphony-of-blue-800: #384548;
  --color-symphony-of-blue-900: #263032;
  --color-symphony-of-blue-950: #151c1e;
}

SCSS

$symphony-of-blue: #89a0a6;
$symphony-of-blue-rgb: 137, 160, 166;
$symphony-of-blue-light: mix(#fff, $symphony-of-blue, 20%);
$symphony-of-blue-dark: mix(#000, $symphony-of-blue, 20%);

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