Oarsman Blue

CSS

:root {
  --oarsman-blue: #648d95;
  --oarsman-blue-rgb: 100 141 149;
  --oarsman-blue-oklch: oklch(0.616 0.047 211);
}

.element {
  color: var(--oarsman-blue);
  background-color: hsl(190 20% 49%);
  border-color: oklch(0.616 0.047 211);
}

Tailwind CSS v4

@theme {
  --color-oarsman-blue: #648d95;
  --color-oarsman-blue-50: #e7f9fd;
  --color-oarsman-blue-100: #d7ecf1;
  --color-oarsman-blue-200: #bfdae0;
  --color-oarsman-blue-300: #9dbec6;
  --color-oarsman-blue-400: #7fa6ae;
  --color-oarsman-blue-500: #618f98;
  --color-oarsman-blue-600: #537980;
  --color-oarsman-blue-700: #426167;
  --color-oarsman-blue-800: #2f474b;
  --color-oarsman-blue-900: #203134;
  --color-oarsman-blue-950: #0f1d20;
}

SCSS

$oarsman-blue: #648d95;
$oarsman-blue-rgb: 100, 141, 149;
$oarsman-blue-light: mix(#fff, $oarsman-blue, 20%);
$oarsman-blue-dark: mix(#000, $oarsman-blue, 20%);

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