Krasnyi Red

CSS

:root {
  --krasnyi-red: #eb2e28;
  --krasnyi-red-rgb: 235 46 40;
  --krasnyi-red-oklch: oklch(0.609 0.224 28.2);
}

.element {
  color: var(--krasnyi-red);
  background-color: hsl(2 83% 54%);
  border-color: oklch(0.609 0.224 28.2);
}

Tailwind CSS v4

@theme {
  --color-krasnyi-red: #eb2e28;
  --color-krasnyi-red-50: #ffdecf;
  --color-krasnyi-red-100: #ffccbb;
  --color-krasnyi-red-200: #ffae9a;
  --color-krasnyi-red-300: #ff856f;
  --color-krasnyi-red-400: #ff5a4c;
  --color-krasnyi-red-500: #f8171a;
  --color-krasnyi-red-600: #d11b1a;
  --color-krasnyi-red-700: #a81715;
  --color-krasnyi-red-800: #7e0c12;
  --color-krasnyi-red-900: #59090b;
  --color-krasnyi-red-950: #3c0001;
}

SCSS

$krasnyi-red: #eb2e28;
$krasnyi-red-rgb: 235, 46, 40;
$krasnyi-red-light: mix(#fff, $krasnyi-red, 20%);
$krasnyi-red-dark: mix(#000, $krasnyi-red, 20%);

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