#B05B62

CSS

:root {
  --hot-flamingo: #b05b62;
  --hot-flamingo-rgb: 176 91 98;
  --hot-flamingo-oklch: oklch(0.574 0.111 16);
}

.element {
  color: var(--hot-flamingo);
  background-color: hsl(355 35% 52%);
  border-color: oklch(0.574 0.111 16);
}

Tailwind CSS v4

@theme {
  --color-hot-flamingo: #b05b62;
  --color-hot-flamingo-50: #ffe9e9;
  --color-hot-flamingo-100: #ffdada;
  --color-hot-flamingo-200: #ffc2c2;
  --color-hot-flamingo-300: #eba1a2;
  --color-hot-flamingo-400: #d88388;
  --color-hot-flamingo-500: #c4656d;
  --color-hot-flamingo-600: #a6565c;
  --color-hot-flamingo-700: #85444a;
  --color-hot-flamingo-800: #633137;
  --color-hot-flamingo-900: #452125;
  --color-hot-flamingo-950: #2d1014;
}

SCSS

$hot-flamingo: #b05b62;
$hot-flamingo-rgb: 176, 91, 98;
$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);
}