Rendez-Blue

CSS

:root {
  --rendez-blue: #abbed0;
  --rendez-blue-rgb: 171 190 208;
  --rendez-blue-oklch: oklch(0.793 0.033 246.8);
}

.element {
  color: var(--rendez-blue);
  background-color: hsl(209 28% 74%);
  border-color: oklch(0.793 0.033 246.8);
}

Tailwind CSS v4

@theme {
  --color-rendez-blue: #abbed0;
  --color-rendez-blue-50: #eef6fe;
  --color-rendez-blue-100: #e0e9f3;
  --color-rendez-blue-200: #cad6e2;
  --color-rendez-blue-300: #abb9c8;
  --color-rendez-blue-400: #8fa1b1;
  --color-rendez-blue-500: #75899b;
  --color-rendez-blue-600: #637483;
  --color-rendez-blue-700: #4f5d69;
  --color-rendez-blue-800: #39444d;
  --color-rendez-blue-900: #272f36;
  --color-rendez-blue-950: #151b21;
}

SCSS

$rendez-blue: #abbed0;
$rendez-blue-rgb: 171, 190, 208;
$rendez-blue-light: mix(#fff, $rendez-blue, 20%);
$rendez-blue-dark: mix(#000, $rendez-blue, 20%);

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