What Fonts Go With Fira Sans?

Eben Sorkin drew Merriweather at Sorkin Type and released it in 2010 as a serif made to stay readable on screens, in light, regular, bold and ultra-bold with matching italics. Its wide letterforms, moderate stroke contrast and sturdy, slab-leaning serifs give it a heavier color than most text serifs, which is why it can carry headlines as well as long paragraphs. Fira Sans answers with a taller x-height and more open apertures, so at navigation and label sizes it stays clear where Merriweather would start to clog. The cleanest role split puts Merriweather on headlines and subheads and Fira Sans on navigation and body copy. That is how the U.S. House Select Committee website on the January 6th attack was set in 2021, as recorded on Fonts In Use by Sorkin himself.

Julieta Ulanovsky began Montserrat in 2010 and released it through Google Fonts in 2011, working from the painted signs and posters of the Montserrat neighborhood in Buenos Aires; the family now runs nine weights from Thin to Black. Its geometry is the point of contrast: round bowls, cut terminals and a wide stance that look best at headline size. Fira Sans has a large x-height too, but its humanist skeleton and looser apertures keep it legible at paragraph and interface sizes where Montserrat’s wide geometric forms eat space. So Montserrat takes the display line and Fira Sans everything below it. Typ.io records the two on a live agency site, and Figma’s Montserrat pairing page lists Fira Sans among its recommended partners, which makes this one of the better-documented combinations on this list.

Fira Mono is the fixed-width member of the same family, released alongside Fira Sans in 2013, shipped in regular, medium and bold. Because it shares the sans’s x-height, stroke weight and general color, a line of code or a data table set in Fira Mono sits at native size beside Fira Sans body text without any optical correction. Contrast comes from rhythm alone: proportional spacing in the prose, an even grid in the mono, which is all a documentation page or dashboard needs to mark a passage as literal. Mozilla’s own specimen page shows the two families together, and Fonts In Use records a mobile game that set its whole interface in Fira Sans and reserved Fira Mono for the countdown timer. That is the pattern to copy: prose in the sans, numbers and code in the mono.

The Danish designer Claus Eggers Sørensen released Playfair Display in 2011 as an open-source transitional serif whose hairline-to-heavy stroke contrast follows mid-to-late 18th-century types such as Baskerville. That contrast is the structural opposite of Fira Sans, whose strokes stay close to a single weight from stem to bowl. Set Playfair large, where its thin strokes hold, and give Fira Sans every reading job underneath: the sans’s open apertures and steady color do the work Playfair’s hairlines cannot do at sixteen pixels. This is a display-serif-over-humanist-sans formula, and it flips the usual order of a serif for text and a sans for titles. Typ.io records the two together on a designer’s portfolio site, with Inconsolata as a third voice, and SlidesCarnival lists the same combination for editorial contrast.

Alexandra Korolkova, Olga Umpeleva and Vladimir Yefimov designed PT Serif for ParaType, released in 2010 with funding from the Russian Federal Agency for Press and Mass Communications as part of the Public Type family with PT Sans and PT Mono. It is a transitional text serif with a large x-height and firm, plain serifs, and those screen-era proportions match Fira Sans almost line for line, so the two align at the same point size without a visual jump. Contrast then comes from stroke modulation and weight rather than from proportion: a Black or ExtraBold Fira Sans headline over PT Serif body copy reads like a newspaper front page. Sergei Davidov recommends that exact Fira Sans Black and PT Serif combination for news sites in his Elementor pairing guide, and Typ.io shows the two on the same agency site that also runs Montserrat.

Łukasz Dziedzic drew Lato in 2010 for a Polish bank that changed direction, then released it under the Open Font License in five weights with italics; the name is Polish for summer. Lato and Fira Sans are both humanist sans faces of similar weight, so this is a warm-on-warm pairing rather than a contrast: Lato’s semi-rounded terminals soften a bold title, and Fira Sans’s slightly wider, calmer letterforms take over for subheads and paragraphs. The trick is to keep the roles fixed and the weights far apart, Lato Bold above and Fira Sans Regular below, so the reader never has to decide which sans is which. Fonts In Use documents this split on the 2025 website of the Center of Gravity, a physics center at the Niels Bohr Institute, with Lato Bold for main titles and Fira Sans for the rest.

Christian Robertson designed Roboto at Google as the Android system font, released in 2011 and reworked in 2014 for Android 5.0. It is a grotesque with a mechanical skeleton and a fairly neutral voice, and neutrality is its job next to Fira Sans: the two share a screen-first x-height and similar apertures, so Roboto can carry labels, buttons and body text while Fira Sans, with its rounder humanist curves and a touch more character, takes headings one level up. Because both were tuned for phones, they match optical size at every step, which is rare in a two-sans system. On the 2024 PLAY! Bergen festival website, studio Overhaus used NaN Spaceland for the logo and paired it with Fira Sans and Roboto, as Fonts In Use records; SlidesCarnival lists the same duo for apps and documentation.

Mike Abbink designed IBM Plex at IBM with Bold Monday, and IBM Plex Mono is the fixed-width member of that 2017 superfamily, with an italic modeled on the Italic 12 element of the IBM Selectric typewriter. Its even grid and flowing italic make a graphic, technical headline voice, while Fira Sans’s proportional humanist text keeps paragraphs comfortable underneath. The x-heights sit close enough that titles and body align at one size ratio, and the monospace rhythm separates the two levels without a weight change. The Argentine foundry 27 Caracteres built its 2019 website this way, with Plex Mono for titles and Fira Sans for running text, both served from Google Fonts, and the case is on Fonts In Use. It suits any tech or foundry site that wants a machine feel without giving up readable prose.

Anton Koovit, an Estonian designer, drew Arvo as an open-source geometric slab serif in regular, italic, bold and bold italic. Its slabs are heavy, even in weight and blocky at the joins, so the letterforms feel built rather than written; Fira Sans’s open counters and gently modulated humanist strokes are the opposite construction. That difference is the whole argument: an Arvo headline over Fira Sans text separates hierarchy by structure, so the two can share a size or a weight and still never blur together. Keep Arvo short and large, because its wide slabs run long in a paragraph, and let Fira Sans handle anything that runs past a line. Typ.io records Arvo and Fira Sans on internethealthreport.org, and its Arvo page lists Fira Sans first among the faces Arvo goes well with.

Raph Levien created Inconsolata in 2006 under the Open Font License as a humanist monospace for source code, drawing on Consolas, Avenir and Letter Gothic; a bold weight arrived when it joined Google Fonts, and it now spans eight weights without italics. Its humanist temperament is what makes it fit beside Fira Sans: both were drawn with open shapes and screen rendering in mind, so a code block in Inconsolata reads as a second voice of the same family rather than an intruder. Where Fira Mono matches the sans exactly, Inconsolata is slightly narrower and lighter, which gives code and captions a visible step down in color. Typ.io logs Fira Sans and Inconsolata on a designer’s portfolio, alongside Playfair Display, and its Inconsolata page names Fira Sans among that font’s regular companions.

Christian Thalmann designed the open-source Cormorant family after Claude Garamond’s sixteenth-century types, and Cormorant Garamond is the variant with larger counters, meant to survive at text sizes where the display cut would not. Everything about it opposes Fira Sans: small x-height, sharp stroke contrast, long extenders and a calligraphic axis against the sans’s tall, even, screen-tuned forms. The pairing works when the size gap is wide: a bold italic Cormorant Garamond headline at display scale, then Fira Sans Regular for paragraphs, so the serif’s fine detail never has to render small. Lou Levit’s Hey Reliable collection shows that arrangement, Cormorant Garamond Bold Italic over Fira Sans Regular, with a rendered example rather than a bare recommendation. Use it for editorial or cultural work where a tech sans needs a literary counterpart.

Nikita Prokopov built Fira Code on top of Fira Mono, adding ligatures that draw common programming sequences as single glyphs; it ships in light, regular, medium and bold plus a variable font. Because it inherits Fira Mono’s metrics, it pairs with Fira Sans the same way the mono does: identical x-height and stroke weight, so prose and code align without a size correction. The ligatures are the reason to choose it over Fira Mono: in developer documentation, arrows and comparison operators read as one mark, which keeps code samples calm beside Fira Sans explanations. Wikipedia’s Fira entry lists Fira Code as part of the family, and the project’s own repository credits Prokopov and names Fira Mono as its base. Reserve it for code blocks and terminal output, and let Fira Sans carry the paragraphs.