#BD5161

CSS

:root {
  --hot-flamingo: #bd5161;
  --hot-flamingo-rgb: 189 81 97;
  --hot-flamingo-oklch: oklch(0.578 0.139 13.5);
}

.element {
  color: var(--hot-flamingo);
  background-color: hsl(351 45% 53%);
  border-color: oklch(0.578 0.139 13.5);
}

Tailwind CSS v4

@theme {
  --color-hot-flamingo: #bd5161;
  --color-hot-flamingo-50: #ffe6e8;
  --color-hot-flamingo-100: #ffd6d8;
  --color-hot-flamingo-200: #ffbcc1;
  --color-hot-flamingo-300: #f699a0;
  --color-hot-flamingo-400: #e47986;
  --color-hot-flamingo-500: #d1586b;
  --color-hot-flamingo-600: #b14c5a;
  --color-hot-flamingo-700: #8e3c48;
  --color-hot-flamingo-800: #6a2b36;
  --color-hot-flamingo-900: #4a1d25;
  --color-hot-flamingo-950: #310c13;
}

SCSS

$hot-flamingo: #bd5161;
$hot-flamingo-rgb: 189, 81, 97;
$hot-flamingo-light: mix(#fff, $hot-flamingo, 20%);
$hot-flamingo-dark: mix(#000, $hot-flamingo, 20%);

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