League Spartan × Source Serif 4
League Spartan's bold geometric headlines over Source Serif's modern transitional body pair strong display with a clean, composed serif — the impactful sans leads while Source Serif gives the reading authority and warmth...
How League Spartan and Source Serif 4 score across four checks — class contrast, role clarity, x-height harmony and mood affinity. Higher is better.
League Spartan's bold geometric headlines over Source Serif's modern transitional body pair strong display with a clean, composed serif — the impactful sans leads while Source Serif gives the reading authority and warmth, the class contrast holding hierarchy.
Where it shines
Documentation, reports and editorial sites wanting bold headlines over a clean serif body.
Keep headlines short and confident so the heavy caps clearly lead the composed serif body.
Add the fonts, then two rules — League Spartan for headings, Source Serif 4 for everything you read.
<link rel="preconnect" href="https://fonts.googleapis.com"> <link href="https://fonts.googleapis.com/css2?family=League+Spartan:wght@500;700&family=Source+Serif+4:wght@400;500&display=swap" rel="stylesheet">
h1, h2, h3 { font-family: "League Spartan", sans-serif; font-weight: 700; letter-spacing: -0.01em; } body, p { font-family: "Source Serif 4", serif; font-weight: 400; line-height: 1.7; }
League Spartan's bold geometric headlines over Merriweather's sturdy serif body pair high-impact display with a comfortable reading face — t...
League Spartan's bold geometric headlines over Lora's warm literary body pair strong display with a comfortable reading face — the impactful...
League Spartan's bold geometric headlines over PT Serif's calm transitional body pair strong display with a neutral, readable serif — the im...
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