Theming

shadcn/ui provides a flexible theming system that leverages Tailwind CSS for styling. You can customize everything from colors to spacing, typography, and more.

Our blocks use the default shadcn/ui theme css variables + a few extra colors of our own.

@layer base {
  :root {
    --background: hsl(0 0% 100%);
    --foreground: hsl(0 0% 3.9%);
    --card: hsl(0 0% 100%);
    --card-foreground: hsl(0 0% 3.9%);
    --popover: hsl(0 0% 100%);
    --popover-foreground: hsl(0 0% 3.9%);
    --primary: hsl(0 0% 9%);
    --primary-foreground: hsl(0 0% 98%);
    --secondary: hsl(0 0% 96%);
    --secondary-foreground: hsl(0 0% 9%);
    --muted: hsl(0 0% 96%);
    --muted-foreground: hsl(0 0% 45.1%);
    --accent: hsl(0 0% 96%);
    --accent-foreground: hsl(0 0% 9%);
    --destructive: hsl(0 84.2% 60.2%);
    --destructive-foreground: hsl(0 0% 98%);
    --border: hsl(0, 0%, 90%);
    --input: hsl(0 0% 89.8%);
    --ring: hsl(0 0% 3.9%);
    --radius: 8px;

    --chart-1: hsl(12 76% 61%);
    --chart-2: hsl(173 58% 39%);
    --chart-3: hsl(197 37% 24%);
    --chart-4: hsl(43 74% 66%);
    --chart-5: hsl(27 87% 67%);

    --sidebar: hsl(0 0% 98%);
    --sidebar-foreground: hsl(240 5.3% 26.1%);
    --sidebar-primary: hsl(240 5.9% 10%);
    --sidebar-primary-foreground: hsl(0 0% 98%);
    --sidebar-accent: hsl(240 4.8% 95.9%);
    --sidebar-accent-foreground: hsl(240 5.9% 10%);
    --sidebar-border: hsl(220 13% 91%);
    --sidebar-ring: hsl(217.2 91.2% 59.8%);

    /* Shadcnblocks.com */
    --muted-2: hsl(0 0% 90%);
    --muted-2-foreground: hsl(240 3.8% 46.1%);
  }

  .dark {
    --background: hsl(240 10% 3.9%);
    --foreground: hsl(0 0% 98%);
    --card: hsl(240 10% 3.9%);
    --card-foreground: hsl(0 0% 98%);
    --popover: hsl(240 10% 3.9%);
    --popover-foreground: hsl(0 0% 98%);
    --primary: hsl(0 0% 98%);
    --primary-foreground: hsl(240 5.9% 10%);
    --secondary: hsl(240 3.7% 15.9%);
    --secondary-foreground: hsl(0 0% 98%);
    --muted: hsl(240 3.7% 15.9%);
    --muted-foreground: hsl(240 5% 64.9%);
    --accent: hsl(240 3.7% 15.9%);
    --accent-foreground: hsl(0 0% 98%);
    --destructive: hsl(0 62.8% 30.6%);
    --destructive-foreground: hsl(0 0% 98%);
    --border: hsl(240 3.7% 15.9%);
    --input: hsl(240 3.7% 15.9%);
    --ring: hsl(240 4.9% 83.9%);

    --chart-1: hsl(220 70% 50%);
    --chart-2: hsl(160 60% 45%);
    --chart-3: hsl(30 80% 55%);
    --chart-4: hsl(280 65% 60%);
    --chart-5: hsl(340 75% 55%);

    --sidebar: hsl(240 5.9% 10%);
    --sidebar-foreground: hsl(240 4.8% 95.9%);
    --sidebar-primary: hsl(224.3 76.3% 48%);
    --sidebar-primary-foreground: hsl(0 0% 100%);
    --sidebar-accent: hsl(240 3.7% 15.9%);
    --sidebar-accent-foreground: hsl(240 4.8% 95.9%);
    --sidebar-border: hsl(240 3.7% 15.9%);
    --sidebar-ring: hsl(217.2 91.2% 59.8%);

    /* Shadcnblocks.com */
    --muted-2: hsl(0, 0%, 18%);
    --muted-2-foreground: hsl(240, 2%, 75%);
  }
}

You can generate different themes using https://ui.jln.dev/