Design principles are often misunderstood as rigid rules that box in creativity. In reality, they serve as a powerful compass that unites teams around a shared mission, capturing the core values and beliefs of an organization. They foster alignment, guide decision-making, and help cut through the noise of hype, shortcuts, and AI-generated clutter. But how do you select the right principles and put them into practice? Let’s explore.
The Real-World Role of Design Principles
In an era where passable designs and code can be generated in minutes, the real challenge lies in deciding what is truly worth designing and building—and what values our products should reflect. This is analogous to voice and tone: if you don’t intentionally define it, your users will define it for you. Without clear principles, company initiatives become random, sporadic, and ad-hoc, resulting in experiences that feel vague, inconsistent, or simply dull.
Design principles are not strict commandments; they are guidelines that designers apply with discretion—default agreements that eliminate the need to re-debate every decision. A fantastic resource that has stood the test of time is Ben Brignell’s Principles.design, which catalogues over 230 design principles and methods, searchable and tagged across categories like language, infrastructure, hardware, and organizations.
What Makes Good Design Principles?
There is no shortage of design principles out there, but the best ones go beyond mere vision. They have a clear point of view, explaining not only what they do but also what they don’t do. They articulate what an organization stands for beyond profits, stock prices, and fleeting trends.
Dieter Rams’ 10 Principles of Good Design
A timeless example is Dieter Rams’ 10 principles of good design. These are humble, practical, and tangible—guiding his work at Braun without grandiose claims. They simply outline what good design does and where care and ambition should be focused. The principles are honest, sincere, and beautifully humane.
Notable Examples of Design Principles
Many organizations and individuals have crafted inspiring sets of principles. Here are some that stand out:
- Anthropic’s Constitution
- Principles of Product Design, by Joshua Porter
- Guiding Principles for Experience Design, by Whitney Hess, PCC
- Principles of Web Accessibility, by Heydon Pickering
- Humane by Design, by Jon Yablonski
- Designing Voice UX Principles, by Brian Colcord
- Agentic Design Principles, by Linear
- AI Chatbot Design Principles, by Emmet Connolly
- Voice UX Principles, by Ben Sauer
Design Principles in Design Systems
Many well-known design systems incorporate principles to maintain consistency and direction. Examples include:
- 18F
- Audi
- Carbon (IBM)
- Firefox
- Gov.uk
- Intuit
- NHS
- Nordhealth
- Uber
How to Establish Your Own Design Principles
Design principles can be personal, but they are most powerful when shaped and committed to by the entire product team. They are not just for designers—the user’s experience is influenced by every decision across the organization. To establish principles that stick:
- Involve the whole team: Gather input from designers, developers, product managers, and stakeholders to ensure buy-in and diverse perspectives.
- Focus on values, not features: Principles should reflect enduring beliefs about what makes a great experience, not temporary functionality.
- Keep them actionable: Each principle should provide clear guidance for decision-making. Use concrete examples to illustrate what the principle looks like in practice.
- Test and iterate: Revisit principles regularly to see if they still serve the team and the product. Update them as the organization evolves.
Ultimately, design principles are a living tool—they align teams, inform choices, and keep everyone focused on what truly matters. By selecting and crafting them intentionally, you can build products that are not only functional but also meaningful and consistent.