Black Smoke

CSS

:root {
  --black-smoke: #3e3e3f;
  --black-smoke-rgb: 62 62 63;
  --black-smoke-oklch: oklch(0.364 0.002 286.3);
}

.element {
  color: var(--black-smoke);
  background-color: hsl(240 1% 25%);
  border-color: oklch(0.364 0.002 286.3);
}

Tailwind CSS v4

@theme {
  --color-black-smoke: #3e3e3f;
  --color-black-smoke-50: #f5f5f5;
  --color-black-smoke-100: #e8e8e8;
  --color-black-smoke-200: #d4d4d5;
  --color-black-smoke-300: #b7b7b8;
  --color-black-smoke-400: #9e9e9f;
  --color-black-smoke-500: #868687;
  --color-black-smoke-600: #717172;
  --color-black-smoke-700: #5b5b5b;
  --color-black-smoke-800: #424243;
  --color-black-smoke-900: #2e2e2e;
  --color-black-smoke-950: #1a1a1b;
}

SCSS

$black-smoke: #3e3e3f;
$black-smoke-rgb: 62, 62, 63;
$black-smoke-light: mix(#fff, $black-smoke, 20%);
$black-smoke-dark: mix(#000, $black-smoke, 20%);

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