IBM Plex Sans + Pirata One Font Pairing

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February 13, 2026 · 6 min read

Why Typography Matters More Than You Think

Good typography is invisible. Bad typography is everywhere. The choice of typeface communicates before a single word is read — it sets tone, establishes hierarchy, and builds trust with your audience.

"Type is a beautiful group of letters, not a group of beautiful letters."

When pairing fonts, contrast is key. A serif heading with a sans-serif body creates natural visual hierarchy without any additional styling.

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Alexandra Chen

Head of Design

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IBM Plex Sans + Pirata One

Why This Pairing Works

Classification contrast — sans-serif + display creates strong visual hierarchy 95/100
x-Height harmony — Closely matched ratios (0.70 vs 0.73) ensure visual harmony at the same size 100/100
Width balance — Balanced character widths (580 vs 550 units) work well in mixed layouts 100/100

x-Height 100

Stroke 30

Width 100

Class 95

Mood 30

Provisional score

Try This Pairing

Size 24px Weight

IBM Plex Sans

The quick brown fox jumps over the lazy dog

Pirata One

The quick brown fox jumps over the lazy dog

Glyph Legibility Check

Font	14px	18px
IBM Plex Sans	Il1 O0 rn/m	Il1 O0 rn/m
Pirata One	Il1 O0 rn/m	Il1 O0 rn/m

Test: uppercase I, lowercase l, digit 1 · uppercase O, digit 0 · rn vs m

Quick Setup

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=IBM%20Plex%20Sans:wght@400;700&family=Pirata%20One:wght@400;700&display=swap');

/* Font Pairing Custom Properties */
:root {
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-heading: 'Pirata One', serif;
}

/* Usage */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

body, p, li {
  font-family: var(--font-body);
}

<!-- Add to <head> -->
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=IBM%20Plex%20Sans:wght@400;700&family=Pirata%20One:wght@400;700&display=swap" rel="stylesheet">

<!-- Usage -->
<h1 style="font-family: 'IBM Plex Sans', sans-serif">
  Your Heading Here
</h1>
<p style="font-family: 'Pirata One', serif">
  Your body text goes here.
</p>

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      fontFamily: {
        heading: ['IBM Plex Sans', 'sans-serif'],
        body: ['Pirata One', 'serif'],
      },
    },
  },
}

// In your HTML/JSX:
// <h1 class="font-heading">Heading</h1>
// <p class="font-body">Body text</p>

// app/layout.tsx
import { IBM_Plex_Sans, Pirata_One } from 'next/font/google'

const heading = IBM_Plex_Sans({
  subsets: ['latin'],
  variable: '--font-heading',
  display: 'swap',
})

const body = Pirata_One({
  subsets: ['latin'],
  variable: '--font-body',
  display: 'swap',
})

export default function RootLayout({ children }) {
  return (
    <html className={`${heading.variable} ${body.variable}`}>
      <body>{children}</body>
    </html>
  )
}