Concrete Rust

Concrete Rust is a neutral shadcn/ui theme with rounded corners and sans-serif typography, in light and dark modes.

Neutral Rounded Montserrat

Sans: Montserrat
Serif: Merriweather
Mono: JetBrains Mono
Radius: 0.4rem

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Name

Framework

Notes

Visitors

January – June

+12.5%

Buttons

Typography

The theme's three font families.

Sans · Montserrat

The quick brown fox

Serif · Merriweather

jumps over the lazy dog.

Mono · JetBrains Mono

npx shadcn add button

Account

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Notifications

Choose what you want to hear about.

Product updates

New features and releases

Security alerts

Sign-ins from new devices

Marketing

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Payment method

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Team

Invite your teammates to collaborate.

SDJLINWK

OwnerEditorViewerSuspended

Storage7.2 of 10 GB

Volume64%

Invoices

Invoice	Status	Amount
INV001	Paid	$250.00
INV002	Pending	$150.00
INV003	Unpaid	$350.00
INV004	Paid	$450.00

FAQ

Yes. It adheres to the WAI-ARIA design pattern.

Colors

Click any swatch to copy its OKLCH value.

Base

Brand

Lines

Charts

Sidebar

StatusOptional, generated to match

Use this theme

Install it with the shadcn CLI, paste the CSS, or export tokens for your design tool.

Paste into app/globals.css, replacing the existing :root and .dark blocks.

Include success, warning & info colors

:root {
  --background: oklch(0.861 0 0);
  --foreground: oklch(0.3899 0 0);
  --card: oklch(0.8294 0 0);
  --card-foreground: oklch(0.2156 0 0);
  --popover: oklch(0.2156 0 0);
  --popover-foreground: oklch(0.757 0 0);
  --primary: oklch(0 0 0);
  --primary-foreground: oklch(1 0 0);
  --secondary: oklch(0.6272 0.1785 45.26);
  --secondary-foreground: oklch(0.9696 0 0);
  --muted: oklch(0.757 0 0);
  --muted-foreground: oklch(0.4278 0 0);
  --accent: oklch(0.8114 0.0653 186.87);
  --accent-foreground: oklch(0.2156 0 0);
  --destructive: oklch(0.5899 0.2415 28.45);
  --destructive-foreground: oklch(0.9696 0 0);
  --border: oklch(0.6239 0 0);
  --input: oklch(0.6272 0.1785 45.26);
  --ring: oklch(0.2156 0 0);
  --chart-1: oklch(0.8559 0.0928 56.66);
  --chart-2: oklch(0.7833 0.1449 54.3);
  --chart-3: oklch(0.7315 0.1814 49.9);
  --chart-4: oklch(0.7022 0.1955 45.99);
  --chart-5: oklch(0.6592 0.1882 45.07);
  --sidebar: oklch(0.861 0 0);
  --sidebar-foreground: oklch(0.3899 0 0);
  --sidebar-primary: oklch(0 0 0);
  --sidebar-primary-foreground: oklch(1 0 0);
  --sidebar-accent: oklch(0.8114 0.0653 186.87);
  --sidebar-accent-foreground: oklch(0.2156 0 0);
  --sidebar-border: oklch(0.6239 0 0);
  --sidebar-ring: oklch(0.2156 0 0);
  --font-sans: Montserrat, ui-sans-serif, sans-serif, system-ui;
  --font-serif: Merriweather, ui-serif, serif;
  --font-mono: JetBrains Mono, ui-monospace, monospace;
  --radius: 0.4rem;
  --spacing: 0.25rem;
  --tracking-normal: 0em;
  --shadow-color: oklch(0.2156 0 0);
  --shadow-opacity: 0.1;
  --shadow-blur: 3px;
  --shadow-spread: 0px;
  --shadow-offset-x: 0;
  --shadow-offset-y: 1px;
  --shadow-2xs: 0 1px 3px 0px hsl(300 0% 10% / 0.05);
  --shadow-xs: 0 1px 3px 0px hsl(300 0% 10% / 0.05);
  --shadow-sm: 0 1px 3px 0px hsl(300 0% 10% / 0.10), 0 1px 2px -1px hsl(300 0% 10% / 0.10);
  --shadow: 0 1px 3px 0px hsl(300 0% 10% / 0.10), 0 1px 2px -1px hsl(300 0% 10% / 0.10);
  --shadow-md: 0 1px 3px 0px hsl(300 0% 10% / 0.10), 0 2px 4px -1px hsl(300 0% 10% / 0.10);
  --shadow-lg: 0 1px 3px 0px hsl(300 0% 10% / 0.10), 0 4px 6px -1px hsl(300 0% 10% / 0.10);
  --shadow-xl: 0 1px 3px 0px hsl(300 0% 10% / 0.10), 0 8px 10px -1px hsl(300 0% 10% / 0.10);
  --shadow-2xl: 0 1px 3px 0px hsl(300 0% 10% / 0.25);
}

.dark {
  --background: oklch(0 0 0);
  --foreground: oklch(1 0 0);
  --card: oklch(0 0 0);
  --card-foreground: oklch(1 0 0);
  --popover: oklch(0.2156 0 0);
  --popover-foreground: oklch(1 0 0);
  --primary: oklch(1 0 0);
  --primary-foreground: oklch(0 0 0);
  --secondary: oklch(0.5899 0.2415 28.45);
  --secondary-foreground: oklch(0.2156 0 0);
  --muted: oklch(0.2156 0 0);
  --muted-foreground: oklch(0.4741 0 0);
  --accent: oklch(0.241 0.0269 185.89);
  --accent-foreground: oklch(0.9696 0 0);
  --destructive: oklch(0.5899 0.2415 28.45);
  --destructive-foreground: oklch(0 0 0);
  --border: oklch(0.2156 0 0);
  --input: oklch(0.2156 0 0);
  --ring: oklch(1 0 0);
  --chart-1: oklch(0.64 0.2455 26.17);
  --chart-2: oklch(0.6252 0.2537 28.2);
  --chart-3: oklch(0.5899 0.2415 28.45);
  --chart-4: oklch(0.4721 0.1903 27.79);
  --chart-5: oklch(0.4208 0.1643 26.7);
  --sidebar: oklch(0 0 0);
  --sidebar-foreground: oklch(1 0 0);
  --sidebar-primary: oklch(1 0 0);
  --sidebar-primary-foreground: oklch(0 0 0);
  --sidebar-accent: oklch(0.4971 0.066 185.07);
  --sidebar-accent-foreground: oklch(0.9696 0 0);
  --sidebar-border: oklch(0.2156 0 0);
  --sidebar-ring: oklch(1 0 0);
  --font-sans: Montserrat, ui-sans-serif, sans-serif, system-ui;
  --font-serif: Merriweather, ui-serif, serif;
  --font-mono: JetBrains Mono, ui-monospace, monospace;
  --radius: 0.4rem;
  --spacing: 0.25rem;
  --tracking-normal: 0em;
  --shadow-color: oklch(0 0 0);
  --shadow-opacity: 0.1;
  --shadow-blur: 3px;
  --shadow-spread: 0px;
  --shadow-offset-x: 0;
  --shadow-offset-y: 1px;
  --shadow-2xs: 0 1px 3px 0px hsl(0 0% 0% / 0.05);
  --shadow-xs: 0 1px 3px 0px hsl(0 0% 0% / 0.05);
  --shadow-sm: 0 1px 3px 0px hsl(0 0% 0% / 0.10), 0 1px 2px -1px hsl(0 0% 0% / 0.10);
  --shadow: 0 1px 3px 0px hsl(0 0% 0% / 0.10), 0 1px 2px -1px hsl(0 0% 0% / 0.10);
  --shadow-md: 0 1px 3px 0px hsl(0 0% 0% / 0.10), 0 2px 4px -1px hsl(0 0% 0% / 0.10);
  --shadow-lg: 0 1px 3px 0px hsl(0 0% 0% / 0.10), 0 4px 6px -1px hsl(0 0% 0% / 0.10);
  --shadow-xl: 0 1px 3px 0px hsl(0 0% 0% / 0.10), 0 8px 10px -1px hsl(0 0% 0% / 0.10);
  --shadow-2xl: 0 1px 3px 0px hsl(0 0% 0% / 0.25);
}

@theme inline {
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-card: var(--card);
  --color-card-foreground: var(--card-foreground);
  --color-popover: var(--popover);
  --color-popover-foreground: var(--popover-foreground);
  --color-primary: var(--primary);
  --color-primary-foreground: var(--primary-foreground);
  --color-secondary: var(--secondary);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-muted: var(--muted);
  --color-muted-foreground: var(--muted-foreground);
  --color-accent: var(--accent);
  --color-accent-foreground: var(--accent-foreground);
  --color-destructive: var(--destructive);
  --color-destructive-foreground: var(--destructive-foreground);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
  --color-chart-1: var(--chart-1);
  --color-chart-2: var(--chart-2);
  --color-chart-3: var(--chart-3);
  --color-chart-4: var(--chart-4);
  --color-chart-5: var(--chart-5);
  --color-sidebar: var(--sidebar);
  --color-sidebar-foreground: var(--sidebar-foreground);
  --color-sidebar-primary: var(--sidebar-primary);
  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
  --color-sidebar-accent: var(--sidebar-accent);
  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
  --color-sidebar-border: var(--sidebar-border);
  --color-sidebar-ring: var(--sidebar-ring);

  --font-sans: var(--font-sans);
  --font-mono: var(--font-mono);
  --font-serif: var(--font-serif);

  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);

  --shadow-2xs: var(--shadow-2xs);
  --shadow-xs: var(--shadow-xs);
  --shadow-sm: var(--shadow-sm);
  --shadow: var(--shadow);
  --shadow-md: var(--shadow-md);
  --shadow-lg: var(--shadow-lg);
  --shadow-xl: var(--shadow-xl);
  --shadow-2xl: var(--shadow-2xl);

  --tracking-tighter: calc(var(--tracking-normal) - 0.05em);
  --tracking-tight: calc(var(--tracking-normal) - 0.025em);
  --tracking-normal: var(--tracking-normal);
  --tracking-wide: calc(var(--tracking-normal) + 0.025em);
  --tracking-wider: calc(var(--tracking-normal) + 0.05em);
  --tracking-widest: calc(var(--tracking-normal) + 0.1em);
}

@layer base {
  body {
    letter-spacing: var(--tracking-normal);
  }
}