Blue Oar

CSS

:root {
  --blue-oar: #647e9c;
  --blue-oar-rgb: 100 126 156;
  --blue-oar-oklch: oklch(0.584 0.055 252.3);
}

.element {
  color: var(--blue-oar);
  background-color: hsl(212 22% 50%);
  border-color: oklch(0.584 0.055 252.3);
}

Tailwind CSS v4

@theme {
  --color-blue-oar: #647e9c;
  --color-blue-oar-50: #ebf6ff;
  --color-blue-oar-100: #dce9fb;
  --color-blue-oar-200: #c5d6ec;
  --color-blue-oar-300: #a5b9d4;
  --color-blue-oar-400: #87a1bf;
  --color-blue-oar-500: #6c89aa;
  --color-blue-oar-600: #5b7490;
  --color-blue-oar-700: #495d73;
  --color-blue-oar-800: #344455;
  --color-blue-oar-900: #232f3b;
  --color-blue-oar-950: #121b25;
}

SCSS

$blue-oar: #647e9c;
$blue-oar-rgb: 100, 126, 156;
$blue-oar-light: mix(#fff, $blue-oar, 20%);
$blue-oar-dark: mix(#000, $blue-oar, 20%);

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