Too Blue

CSS

:root {
  --too-blue: #3d6695;
  --too-blue-rgb: 61 102 149;
  --too-blue-oklch: oklch(0.502 0.089 252.9);
}

.element {
  color: var(--too-blue);
  background-color: hsl(212 42% 41%);
  border-color: oklch(0.502 0.089 252.9);
}

Tailwind CSS v4

@theme {
  --color-too-blue: #3d6695;
  --color-too-blue-50: #e5f7ff;
  --color-too-blue-100: #d5eaff;
  --color-too-blue-200: #bbd7fa;
  --color-too-blue-300: #99bae5;
  --color-too-blue-400: #79a2d2;
  --color-too-blue-500: #5a89c0;
  --color-too-blue-600: #4d74a2;
  --color-too-blue-700: #3d5d82;
  --color-too-blue-800: #2a4460;
  --color-too-blue-900: #1c2f43;
  --color-too-blue-950: #0c1c2b;
}

SCSS

$too-blue: #3d6695;
$too-blue-rgb: 61, 102, 149;
$too-blue-light: mix(#fff, $too-blue, 20%);
$too-blue-dark: mix(#000, $too-blue, 20%);

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