Fonts that go with IBM Plex Serif
IBM Plex Serif is the serif of IBM's Plex family, designed to sit alongside Plex Sans and Plex Mono. Together they give a complete, consistent technical voice. Here are the 3 Google Fonts that pair best with it, each rendered live.
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The best IBM Plex Serif pairings
01 · IBM Plex Serif + IBM Plex Sans
Design that makes the first impression last
Good type does its work quietly. The headline sets the voice, the body carries the reading, and the contrast between them tells the eye where to go first.
IBM Plex Serif sets sturdy, engineered serif headlines, and IBM Plex Sans is precise and very legible in technical writing. A serif over a sans-serif is the classic pairing: the change of structure makes the hierarchy obvious at a glance.
02 · IBM Plex Serif + IBM Plex Mono
Design that makes the first impression last
Good type does its work quietly. The headline sets the voice, the body carries the reading, and the contrast between them tells the eye where to go first.
IBM Plex Serif sets sturdy, engineered serif headlines, and IBM Plex Mono is a readable monospace for code and technical notes. A serif headline over monospace details mixes editorial and technical.
03 · IBM Plex Serif + Inter
Design that makes the first impression last
Good type does its work quietly. The headline sets the voice, the body carries the reading, and the contrast between them tells the eye where to go first.
IBM Plex Serif sets sturdy, engineered serif headlines, and Inter stays legible at small sizes thanks to its tall x-height. A serif over a sans-serif is the classic pairing: the change of structure makes the hierarchy obvious at a glance.
Using IBM Plex Serif on a website
Sizes
IBM Plex Serif works across the scale: body text at 16 to 18px and headings from about 28px up, so one family can carry a whole site.
Spacing
For body text, a line height around 1.6 and a column of about 60 to 75 characters suit a serif; tighten to about 1.15 for headlines.
Loading
This page loads 400 and 700. Load only the weights you actually use: every extra weight is another file before text can render in it. Self-hosting with next/font, or font-display: swap with the Google Fonts CSS, keeps text visible while it loads.
IBM Plex Serif is free on Google Fonts, where you can see every weight and style it comes in.
Use the top pairing
import { IBM_Plex_Serif, IBM_Plex_Sans } from "next/font/google";
export const heading = IBM_Plex_Serif({
subsets: ["latin"],
weight: ["400", "700"],
variable: "--font-heading",
});
export const body = IBM_Plex_Sans({
subsets: ["latin"],
weight: ["400", "700"],
variable: "--font-body",
});More font pairings
Questions, answered.
The things people ask before they start building.
What font goes well with IBM Plex Serif?
IBM Plex Sans, IBM Plex Mono and Inter all pair well with IBM Plex Serif. IBM Plex Serif sets sturdy, engineered serif headlines, and IBM Plex Sans is precise and very legible in technical writing. A serif over a sans-serif is the classic pairing: the change of structure makes the hierarchy obvious at a glance.
Is IBM Plex Serif good for headings or body text?
IBM Plex Serif is a serif that works best for both headlines and body text: it sets sturdy, engineered serif headlines as a headline and is solid and readable in long technical writing in paragraphs.
Is IBM Plex Serif free for commercial use?
Yes. IBM Plex Serif is on Google Fonts, where every family is free and open source, so you can use it on commercial websites, in logos and in print without paying. Download or embed it from its Google Fonts page.
Can AI choose fonts for my website?
Yes. Orlume (orlume.site), the design-first AI website builder, picks the type pairing, scale and spacing for your brief from one prompt, then builds the site in React and Next.js and deploys it in one click.
Still stuck? Email us
Or let Orlume set the type for you.
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