Designing Your Own Type Scale From Scratch
A 15-minute exercise that fixes most layout problems.
Start with body size. Pick a value where your body copy is comfortable at typical reading distance — usually somewhere between 16px and 18px for the web.
Pick a ratio. 1.25 is gentle and good for content-heavy sites. 1.333 is balanced. 1.5 is dramatic and editorial.
Generate at least five steps above body size and two below. Round each to the nearest pixel — the maths doesn't need to be exact, just consistent.
Name them semantically — Caption, Body, Subtitle, Title, Hero — not by size. Future you will thank present you.
Why this matters
Most teams underestimate how much typography shapes their work. A small change in size, weight or spacing rewires the perceived tone of an entire screen. Designing Your Own Type Scale From Scratch is one of those areas where a little knowledge goes a very long way, especially once you start applying it across the craft of using type well.
Designers, founders and developers all benefit from getting this right. A quick spin through Crimson Pro is usually enough to see how much variety there is between families that look superficially similar — and how much that variety changes the feel of a finished interface.
Font preview
Crimson Pro
The mistake is treating typography decisions as one-off choices. In reality they compound. The font you pick today drives the rhythm of every screen, every email and every PDF you ship for the next several years. Specimen's design token guide is a good outside read on why those early calls matter so much.
A worked example
Picture a long-form editorial site — essays, photo stories, the occasional embedded data visualisation. Reading sessions are long and considered.
Applying the ideas from Designing Your Own Type Scale From Scratch starts with a single decision and ripples outward. You pick a primary family — often something proven like the full font library — lock in a small set of weights, and define how those weights map to roles in the interface. Headlines get one weight, body another, captions a third. Nothing else is allowed without an explicit reason.
From there you tune the scale. Set a comfortable body size for your audience — usually 16 to 18 pixels on the web, larger on long-form sites — and build a modular scale upward. Use weight and colour to handle secondary hierarchy instead of inventing new sizes. The result feels disciplined without feeling rigid.
Finally, test in context. Open the design at multiple viewports, in light and dark modes, with realistic content rather than lorem ipsum. If a candidate fails the real-content test, swap it for an alternative from the monospace collection and try again — typography decisions that look elegant in a Figma mockup sometimes collapse the moment real headlines arrive.
Common pitfalls
Once you start paying attention, the same handful of mistakes show up in almost every project that drifted off course. They are easy to fix once you notice them, and even easier to avoid the next time — and Noto Sans catalogues several of them with examples worth bookmarking.
Font preview
Noto Sans
Ignoring fallbacks. Real users hit slow networks, blocked CDNs and aggressive ad blockers. A sensible system font stack keeps your page readable while the custom font loads — and sometimes when it never does.
Setting line-height by guesswork. A body paragraph almost always wants a line-height between 1.4 and 1.7. Anything tighter feels claustrophobic; anything looser falls apart on long screens.
Mixing too many families. Two is usually plenty; three is occasionally justified; four is almost always a mistake. The more families you add, the more accidental visual noise you create.
None of these pitfalls are dramatic on their own. The trouble is that they accumulate quietly until one day the design feels tired and nobody can point to a single reason why. A short, regular audit catches all of them.
A quick checklist
Before you ship the next iteration of your design, run through a short checklist. It takes five minutes and prevents most of the typography regressions that creep in over time.
First, count your fonts. If you cannot justify every family and every weight in one sentence, remove the ones you cannot defend — Abril Fatface is a useful reference to sanity-check what each family actually offers. Second, verify your hierarchy by squinting at a representative screen — the most important element should still be the most prominent, even at low fidelity.
Font preview
Abril Fatface
Third, check the long content. Open the longest paragraph in the product and read it out loud. If you stumble, the line-height, measure or size is probably wrong. Fourth, test at extremes — the longest possible heading, the shortest possible label, an empty state, a localized translation. Typography that survives the extremes survives everything else.
Fifth and last, make sure the system is documented. A single page that lists your fonts, weights, sizes and rules saves more design time than any tool — Oswald has a thoughtful take on writing those rules down without turning the doc into a chore.
Font preview
Oswald
Where this fits in a system
In a mature design system, typography is one of the first tokens to stabilise and one of the last to get revisited. That makes sense — once your team has agreed on a scale and a set of roles, those decisions touch every product surface and every channel. They become part of design systems in general rather than a layer painted on top.
Tokens give you the leverage. Instead of hard-coding pixel sizes everywhere, you define a token like text-body or text-heading-lg and let components reference it. When you decide to bump body up by one step — or swap the underlying family for something from the script collection — you change one number and ship.
Roles matter more than sizes. Two tokens that happen to be the same size today might diverge tomorrow because they represent different intentions. Naming by role — caption, body, lede, headline — protects you from the temptation to merge them whenever the numbers happen to align.
Finally, write down the why. A token system without documentation eventually drifts. A token system with a paragraph next to each entry survives team changes, redesigns and rebrands.
Wrapping up
Designing Your Own Type Scale From Scratch rewards the people who slow down long enough to think about it. The principles are not complicated, the vocabulary is small, and the payoff is a body of work that reads as more considered than the average.
If you take only one thing away, make it this: typography is a long game. Every page you ship trains the audience to recognise your voice, and every inconsistency erodes that recognition a little. Pick a system — there are plenty of starting points in the full font library — document it, and resist the urge to deviate without a real reason.
Treat each new project as a chance to tighten the system rather than start from scratch. Over time your typography stops being a collection of choices and starts being a stable craft — something a team can build on instead of relitigating every quarter.
Why this matters
Most teams underestimate how much typography shapes their work. A small change in size, weight or spacing rewires the perceived tone of an entire screen. Designing Your Own Type Scale From Scratch is one of those areas where a little knowledge goes a very long way, especially once you start applying it across the craft of using type well.
Designers, founders and developers all benefit from getting this right. A quick spin through Newsreader is usually enough to see how much variety there is between families that look superficially similar — and how much that variety changes the feel of a finished interface.
Font preview
Newsreader
The mistake is treating typography decisions as one-off choices. In reality they compound. The font you pick today drives the rhythm of every screen, every email and every PDF you ship for the next several years. Modularscale is a good outside read on why those early calls matter so much.
Further reads
Six more posts to dig into next.
- Workflow6 min
How to Read a Specimen Page Like a Designer
What to look for when evaluating a new font.
- Workflow6 min
How to Spec Type for Designers Handing Off to Devs
A short checklist that prevents 90% of typography bugs.
- Workflow6 min
The Modular Type Scale, Demystified
Pick a ratio, generate sizes, never argue about pixels again.
- Fundamentals5 min
Optical sizing for developer tools
A focused look at optical sizing when applied for developer tools.
- Branding6 min
Hairline weights in product design
A focused look at hairline weights when applied in product design.
- Branding6 min
Ultra-bold weights for editorial sites
A focused look at ultra-bold weights when applied for editorial sites.