#66B2CB

CSS

:root {
  --blue-martini: #66b2cb;
  --blue-martini-rgb: 102 178 203;
  --blue-martini-oklch: oklch(0.724 0.084 221.4);
}

.element {
  color: var(--blue-martini);
  background-color: hsl(195 49% 60%);
  border-color: oklch(0.724 0.084 221.4);
}

Tailwind CSS v4

@theme {
  --color-blue-martini: #66b2cb;
  --color-blue-martini-50: #ddfbff;
  --color-blue-martini-100: #cbeffd;
  --color-blue-martini-200: #aeddef;
  --color-blue-martini-300: #88c1d7;
  --color-blue-martini-400: #63aac1;
  --color-blue-martini-500: #3a93ad;
  --color-blue-martini-600: #337c92;
  --color-blue-martini-700: #296375;
  --color-blue-martini-800: #1b4956;
  --color-blue-martini-900: #12333c;
  --color-blue-martini-950: #041e26;
}

SCSS

$blue-martini: #66b2cb;
$blue-martini-rgb: 102, 178, 203;
$blue-martini-light: mix(#fff, $blue-martini, 20%);
$blue-martini-dark: mix(#000, $blue-martini, 20%);

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