Blue Electress

CSS

:root {
  --blue-electress: #6d9fd1;
  --blue-electress-rgb: 109 159 209;
  --blue-electress-oklch: oklch(0.687 0.092 249.3);
}

.element {
  color: var(--blue-electress);
  background-color: hsl(210 52% 62%);
  border-color: oklch(0.687 0.092 249.3);
}

Tailwind CSS v4

@theme {
  --color-blue-electress: #6d9fd1;
  --color-blue-electress-50: #e3f8ff;
  --color-blue-electress-100: #d2ebff;
  --color-blue-electress-200: #b8d8fb;
  --color-blue-electress-300: #95bbe5;
  --color-blue-electress-400: #74a3d3;
  --color-blue-electress-500: #548ac0;
  --color-blue-electress-600: #4775a2;
  --color-blue-electress-700: #395e82;
  --color-blue-electress-800: #274560;
  --color-blue-electress-900: #1a3044;
  --color-blue-electress-950: #0a1c2c;
}

SCSS

$blue-electress: #6d9fd1;
$blue-electress-rgb: 109, 159, 209;
$blue-electress-light: mix(#fff, $blue-electress, 20%);
$blue-electress-dark: mix(#000, $blue-electress, 20%);

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