#6B6EC1

CSS

:root {
  --loch-ness: #6b6ec1;
  --loch-ness-rgb: 107 110 193;
  --loch-ness-oklch: oklch(0.574 0.126 280.1);
}

.element {
  color: var(--loch-ness);
  background-color: hsl(238 41% 59%);
  border-color: oklch(0.574 0.126 280.1);
}

Tailwind CSS v4

@theme {
  --color-loch-ness: #6b6ec1;
  --color-loch-ness-50: #eff2ff;
  --color-loch-ness-100: #e0e4ff;
  --color-loch-ness-200: #cbceff;
  --color-loch-ness-300: #adb0f7;
  --color-loch-ness-400: #9095e7;
  --color-loch-ness-500: #777ad7;
  --color-loch-ness-600: #6568b6;
  --color-loch-ness-700: #505392;
  --color-loch-ness-800: #393d6d;
  --color-loch-ness-900: #272a4d;
  --color-loch-ness-950: #151733;
}

SCSS

$loch-ness: #6b6ec1;
$loch-ness-rgb: 107, 110, 193;
$loch-ness-light: mix(#fff, $loch-ness, 20%);
$loch-ness-dark: mix(#000, $loch-ness, 20%);

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