#78ACC1

CSS

:root {
  --blue-eye-samurai: #78acc1;
  --blue-eye-samurai-rgb: 120 172 193;
  --blue-eye-samurai-oklch: oklch(0.715 0.063 225.1);
}

.element {
  color: var(--blue-eye-samurai);
  background-color: hsl(197 37% 61%);
  border-color: oklch(0.715 0.063 225.1);
}

Tailwind CSS v4

@theme {
  --color-blue-eye-samurai: #78acc1;
  --color-blue-eye-samurai-50: #e3f9ff;
  --color-blue-eye-samurai-100: #d3edf8;
  --color-blue-eye-samurai-200: #b9dae9;
  --color-blue-eye-samurai-300: #96bed1;
  --color-blue-eye-samurai-400: #76a7bb;
  --color-blue-eye-samurai-500: #568fa6;
  --color-blue-eye-samurai-600: #49798c;
  --color-blue-eye-samurai-700: #3a6170;
  --color-blue-eye-samurai-800: #294752;
  --color-blue-eye-samurai-900: #1b3139;
  --color-blue-eye-samurai-950: #0b1d24;
}

SCSS

$blue-eye-samurai: #78acc1;
$blue-eye-samurai-rgb: 120, 172, 193;
$blue-eye-samurai-light: mix(#fff, $blue-eye-samurai, 20%);
$blue-eye-samurai-dark: mix(#000, $blue-eye-samurai, 20%);

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