Oswald × Source Sans 3
Source Sans is a clean humanist sans that recedes as calm, readable body under Oswald's bold condensed headings. The width contrast supplies the hierarchy while Source Sans keeps long text comfortable.
How Oswald and Source Sans 3 score across four checks — class contrast, role clarity, x-height harmony and mood affinity. Higher is better.
Source Sans is a clean humanist sans that recedes as calm, readable body under Oswald's bold condensed headings. The width contrast supplies the hierarchy while Source Sans keeps long text comfortable.
Where it shines
Tech, corporate and documentation layouts wanting impactful headings over neutral body.
Keep a firm weight and width gap so the two sans roles never blur.
Add the fonts, then two rules — Oswald for headings, Source Sans 3 for everything you read.
<link rel="preconnect" href="https://fonts.googleapis.com"> <link href="https://fonts.googleapis.com/css2?family=Oswald:wght@500;700&family=Source+Sans+3:wght@400;500&display=swap" rel="stylesheet">
h1, h2, h3 { font-family: "Oswald", sans-serif; font-weight: 700; letter-spacing: -0.01em; } body, p { font-family: "Source Sans 3", serif; font-weight: 400; line-height: 1.7; }
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