#9B9AA2

CSS

:root {
  --dark-ages: #9b9aa2;
  --dark-ages-rgb: 155 154 162;
  --dark-ages-oklch: oklch(0.69 0.012 291.8);
}

.element {
  color: var(--dark-ages);
  background-color: hsl(248 4% 62%);
  border-color: oklch(0.69 0.012 291.8);
}

Tailwind CSS v4

@theme {
  --color-dark-ages: #9b9aa2;
  --color-dark-ages-50: #f5f4f8;
  --color-dark-ages-100: #e8e7eb;
  --color-dark-ages-200: #d4d3d9;
  --color-dark-ages-300: #b7b6bd;
  --color-dark-ages-400: #9e9da5;
  --color-dark-ages-500: #86858d;
  --color-dark-ages-600: #717078;
  --color-dark-ages-700: #5b5a60;
  --color-dark-ages-800: #424246;
  --color-dark-ages-900: #2e2d31;
  --color-dark-ages-950: #1a1a1d;
}

SCSS

$dark-ages: #9b9aa2;
$dark-ages-rgb: 155, 154, 162;
$dark-ages-light: mix(#fff, $dark-ages, 20%);
$dark-ages-dark: mix(#000, $dark-ages, 20%);

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