#6BB5D0

CSS

:root {
  --blue-martini: #6bb5d0;
  --blue-martini-rgb: 107 181 208;
  --blue-martini-oklch: oklch(0.735 0.083 223.6);
}

.element {
  color: var(--blue-martini);
  background-color: hsl(196 52% 62%);
  border-color: oklch(0.735 0.083 223.6);
}

Tailwind CSS v4

@theme {
  --color-blue-martini: #6bb5d0;
  --color-blue-martini-50: #ddfbff;
  --color-blue-martini-100: #cbeefd;
  --color-blue-martini-200: #afdcf0;
  --color-blue-martini-300: #89c1d8;
  --color-blue-martini-400: #64a9c3;
  --color-blue-martini-500: #3d92af;
  --color-blue-martini-600: #357c94;
  --color-blue-martini-700: #2a6376;
  --color-blue-martini-800: #1c4957;
  --color-blue-martini-900: #12333d;
  --color-blue-martini-950: #041e26;
}

SCSS

$blue-martini: #6bb5d0;
$blue-martini-rgb: 107, 181, 208;
$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);
}