All pairings

Open Sans Source Sans 3

Two highly legible humanist sans-serifs. Neutral, professional dual-sans pairing for content-heavy sites.

neutralprofessionalcleandocumentationcorporateweb app

Installation

$ pnpm dlx shadcn@latest add @fonttrio/open-sans-source-sans-3
Headingsans-serif

Open Sans

The quick brown fox

Bodysans-serif

Source Sans 3

Jumps over the lazy dog and runs across the meadow

Monomonospace

Fira Code

const x = fn(42);

Try it with your text

Open Sans
Source Sans 3
Fira Code
Building a Type System That Scales
Choose fonts that complement each other while serving distinct roles. The heading font sets the tone, the body font ensures readability, and the monospace font handles technical content.
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Quick Setup
Install and configure in seconds
npx shadcn add @fonttrio/open-sans-source-sans-3
Pro Plan
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$49/month
  • Unlimited font pairings
  • Custom typography scales
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elegantmodernplayfultechnicalminimal

Typography scale

LevelSizeWeightLH
h12.25rem7001.15
h21.875rem6001.2
h31.5rem6001.25
h41.25rem5001.35
body1rem4001.6
$ pnpm dlx shadcn@latest add @fonttrio/open-sans-source-sans-3
h1

Open Sans

h2

Open Sans

h3

Open Sans

h4

Open Sans

body

The quick brown fox jumps over the lazy dog. Good typography is invisible — great typography speaks before you read.

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Source Sans 3

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pnpm dlx shadcn@latest add @fonttrio/document

League Spartan

Geometric bold sans heading with refined Baskerville body. Modern strength meets classical elegance.

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