Cobalt2

Cobalt2 for shadcn/ui: Wes Bos's high-contrast blue-and-yellow theme, mapped to every shadcn token in light and dark mode.

WCAG AA in both modes Yellow Minimal Pastel Code editor themes Rounded Inter

Sans: Inter
Serif: System
Mono: JetBrains Mono
Radius: 0.5rem

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Name

Framework

Notes

Visitors

January – June

+12.5%

Buttons

Typography

The theme's three font families.

Sans · Inter

The quick brown fox

Serif · System

jumps over the lazy dog.

Mono · JetBrains Mono

npx shadcn add button

Account

Accept terms and conditions

Notifications

Choose what you want to hear about.

Product updates

New features and releases

Security alerts

Sign-ins from new devices

Marketing

Tips, offers and news

Payment method

CardPayPalApple Pay

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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(0.995 0.0057 87.53);
  --foreground: oklch(0.16 0.0175 87.53);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.16 0.0175 87.53);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.16 0.0175 87.53);
  --primary: oklch(0.72 0.1472 87.53);
  --primary-foreground: oklch(0.18 0.02 87.53);
  --secondary: oklch(0.955 0.0271 57.53);
  --secondary-foreground: oklch(0.28 0.0465 57.53);
  --muted: oklch(0.965 0.014 87.53);
  --muted-foreground: oklch(0.52 0.0263 87.53);
  --accent: oklch(0.94 0.0465 117.53);
  --accent-foreground: oklch(0.3 0.0651 117.53);
  --destructive: oklch(0.62 0.193 7.03);
  --destructive-foreground: oklch(0.195 0 0);
  --border: oklch(0.915 0.0175 87.53);
  --input: oklch(0.9 0.0175 87.53);
  --ring: oklch(0.72 0.1396 87.53);
  --chart-1: oklch(0.62 0.1745 87.53);
  --chart-2: oklch(0.62 0.2018 254.09);
  --chart-3: oklch(0.62 0.2526 140.68);
  --chart-4: oklch(0.62 0.1727 66.57);
  --chart-5: oklch(0.62 0.1803 325.74);
  --sidebar: oklch(0.98 0.014 87.53);
  --sidebar-foreground: oklch(0.16 0.0175 87.53);
  --sidebar-primary: oklch(0.72 0.1472 87.53);
  --sidebar-primary-foreground: oklch(0.18 0.02 87.53);
  --sidebar-accent: oklch(0.94 0.0465 117.53);
  --sidebar-accent-foreground: oklch(0.3 0.0651 117.53);
  --sidebar-border: oklch(0.915 0.0175 87.53);
  --sidebar-ring: oklch(0.72 0.1396 87.53);
  --font-sans: Inter, sans-serif;
  --font-serif: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  --font-mono: JetBrains Mono, monospace;
  --radius: 0.5rem;
  --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: 0px;
  --shadow-offset-y: 1px;
  --shadow-2xs: 0px 1px 3px 0px hsl(0 0% 0% / 0.05);
  --shadow-xs: 0px 1px 3px 0px hsl(0 0% 0% / 0.05);
  --shadow-sm: 0px 1px 3px 0px hsl(0 0% 0% / 0.10), 0px 1px 2px -1px hsl(0 0% 0% / 0.10);
  --shadow: 0px 1px 3px 0px hsl(0 0% 0% / 0.10), 0px 1px 2px -1px hsl(0 0% 0% / 0.10);
  --shadow-md: 0px 1px 3px 0px hsl(0 0% 0% / 0.10), 0px 2px 4px -1px hsl(0 0% 0% / 0.10);
  --shadow-lg: 0px 1px 3px 0px hsl(0 0% 0% / 0.10), 0px 4px 6px -1px hsl(0 0% 0% / 0.10);
  --shadow-xl: 0px 1px 3px 0px hsl(0 0% 0% / 0.10), 0px 8px 10px -1px hsl(0 0% 0% / 0.10);
  --shadow-2xl: 0px 1px 3px 0px hsl(0 0% 0% / 0.25);
}

.dark {
  --background: oklch(0.3169 0.0495 241.69);
  --foreground: oklch(1 0 0);
  --card: oklch(0.2483 0.0271 240.31);
  --card-foreground: oklch(1 0 0);
  --popover: oklch(0.2483 0.0271 240.31);
  --popover-foreground: oklch(1 0 0);
  --primary: oklch(0.8536 0.1745 87.53);
  --primary-foreground: oklch(0.3169 0.0495 241.69);
  --secondary: oklch(0.3796 0.0652 242.41);
  --secondary-foreground: oklch(1 0 0);
  --muted: oklch(0.3796 0.0652 242.41);
  --muted-foreground: oklch(0.7778 0.0474 242.42);
  --accent: oklch(0.3796 0.0652 242.41);
  --accent-foreground: oklch(1 0 0);
  --destructive: oklch(0.708 0.193 7.03);
  --destructive-foreground: oklch(0.3069 0.0495 241.69);
  --border: oklch(0.4083 0.0707 242.56);
  --input: oklch(0.4083 0.0707 242.56);
  --ring: oklch(0.8536 0.1745 87.53);
  --chart-1: oklch(0.8536 0.1745 87.53);
  --chart-2: oklch(0.6321 0.2018 254.09);
  --chart-3: oklch(0.7733 0.2526 140.68);
  --chart-4: oklch(0.7788 0.1727 66.57);
  --chart-5: oklch(0.81 0.1803 325.74);
  --sidebar: oklch(0.2483 0.0271 240.31);
  --sidebar-foreground: oklch(1 0 0);
  --sidebar-primary: oklch(0.8536 0.1745 87.53);
  --sidebar-primary-foreground: oklch(0.3169 0.0495 241.69);
  --sidebar-accent: oklch(0.3796 0.0652 242.41);
  --sidebar-accent-foreground: oklch(1 0 0);
  --sidebar-border: oklch(0.4083 0.0707 242.56);
  --sidebar-ring: oklch(0.8536 0.1745 87.53);
  --font-sans: Inter, sans-serif;
  --font-serif: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  --font-mono: JetBrains Mono, monospace;
  --radius: 0.5rem;
  --spacing: 0.25rem;
  --tracking-normal: 0em;
  --shadow-color: oklch(0.3169 0.0495 241.69);
  --shadow-opacity: 0.4;
  --shadow-blur: 3px;
  --shadow-spread: 0px;
  --shadow-offset-x: 0px;
  --shadow-offset-y: 1px;
  --shadow-2xs: 0px 1px 3px 0px hsl(205 49% 19.2% / 0.20);
  --shadow-xs: 0px 1px 3px 0px hsl(205 49% 19.2% / 0.20);
  --shadow-sm: 0px 1px 3px 0px hsl(205 49% 19.2% / 0.40), 0px 1px 2px -1px hsl(205 49% 19.2% / 0.40);
  --shadow: 0px 1px 3px 0px hsl(205 49% 19.2% / 0.40), 0px 1px 2px -1px hsl(205 49% 19.2% / 0.40);
  --shadow-md: 0px 1px 3px 0px hsl(205 49% 19.2% / 0.40), 0px 2px 4px -1px hsl(205 49% 19.2% / 0.40);
  --shadow-lg: 0px 1px 3px 0px hsl(205 49% 19.2% / 0.40), 0px 4px 6px -1px hsl(205 49% 19.2% / 0.40);
  --shadow-xl: 0px 1px 3px 0px hsl(205 49% 19.2% / 0.40), 0px 8px 10px -1px hsl(205 49% 19.2% / 0.40);
  --shadow-2xl: 0px 1px 3px 0px hsl(205 49% 19.2% / 1.00);
}

@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);
  }
}