Blue Accolade

CSS

:root {
  --blue-accolade: #25415d;
  --blue-accolade-rgb: 37 65 93;
  --blue-accolade-oklch: oklch(0.367 0.059 249.7);
}

.element {
  color: var(--blue-accolade);
  background-color: hsl(210 43% 25%);
  border-color: oklch(0.367 0.059 249.7);
}

Tailwind CSS v4

@theme {
  --color-blue-accolade: #25415d;
  --color-blue-accolade-50: #e9f7ff;
  --color-blue-accolade-100: #daeafc;
  --color-blue-accolade-200: #c2d7ee;
  --color-blue-accolade-300: #a2bad6;
  --color-blue-accolade-400: #84a2c1;
  --color-blue-accolade-500: #688aac;
  --color-blue-accolade-600: #587492;
  --color-blue-accolade-700: #465d75;
  --color-blue-accolade-800: #324456;
  --color-blue-accolade-900: #222f3c;
  --color-blue-accolade-950: #111c26;
}

SCSS

$blue-accolade: #25415d;
$blue-accolade-rgb: 37, 65, 93;
$blue-accolade-light: mix(#fff, $blue-accolade, 20%);
$blue-accolade-dark: mix(#000, $blue-accolade, 20%);

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