--- title: "Design Systems for Digital Products — Blackbook" description: "From components and tokens to documentation. Blackbook builds design systems that keep products consistent at scale. Let's talk about your system." canonical_url: https://www.blackbook.dk/en/services/design-systems/ md_url: https://www.blackbook.dk/en/services/design-systems/index.md language: en last_updated: 2026-09-10 --- # Design Systems for Digital Products — Blackbook From components and tokens to documentation. Blackbook builds design systems that keep products consistent at scale. Let's talk about your system. > Alternate (Danish): https://www.blackbook.dk/services/design-systems/index.md > Provider: Blackbook — founded by Jeppe Sloth Carlsen (https://www.blackbook.dk/en/about/) > Provider ID: https://www.blackbook.dk/#organization > Founder ID: https://www.blackbook.dk/#person-jeppe > Topics: Design system, Component library, Design tokens, Figma design system > Part of: Blackbook — digital design agency, Copenhagen (https://www.blackbook.dk/en/) > LLM reference: https://www.blackbook.dk/llms.txt > Full reference: https://www.blackbook.dk/llms-full.txt > Markdown sitemap: https://www.blackbook.dk/sitemap.md > Preferred citation URL: https://www.blackbook.dk/en/services/design-systems/ ## Services — Design Systems Design systems that keep products consistent at scale A product with ten screens can be designed screen by screen. A product with a thousand cannot. Blackbook builds design systems – component libraries, design tokens and guidelines – that make consistency something the team gets for free instead of something they have to remember. We design systems close to the code, so components match what engineers actually build. AI helps us keep documentation alive – generated from the system itself, not written by hand beside it. ## Consistency is infrastructure ### Design systems, UI components and design tokens for product teams A design system is not a style guide you look things up in – it's the infrastructure the product is built from. Components with states built in, tokens that control colour and typography in one place, and patterns that make the right choice the easiest choice. The payoff is speed: new features are designed and built from existing parts, and the whole product can change its expression by turning a single dial. ## Built to be used Most design systems don't fail on quality – they fail on adoption. So we build systems together with the teams who will use them: documentation that answers real questions, naming that matches how engineers speak, and a governance model that decides how the system grows without eroding. Accessibility (WCAG) is built into the components from the start – not audited in afterwards. **What we do:** Component libraries · Design tokens · UI kits · White-label & multibrand systems · Figma libraries · Documentation & governance · Audits of existing systems ## When one system has to carry many brands The hardest test of a design system is white-label: one system, many senders. We've built systems where banks put their own brand on a shared platform, and where global pharma brands roll out master templates across markets – without any of them looking like a copy. Is the product growing faster than the design can keep up? [Let's talk about your system](https://www.blackbook.dk/en/contact/). ## Selected cases Consistency at scale takes a system. Design systems built for banks and software companies, with component libraries and guidelines that make it easy to do the right thing and hard to do the wrong one. ### White-label Fintech Platform — Danske Bank - Designed a white-label version of Zenegy Financial Suite for Danske Bank's business customers – fully branded and scalable expense management. [Danske Bank — White-Label Solution](https://www.blackbook.dk/en/portfolio/danske-bank/) ### Attention Value & Sponsorship Platform — Valiyou - Lead Product Design for Valiyou – a SaaS platform turning attention value into measurable sponsorships for sports clubs, influencers and events. [Valiyou.com — Attention Value & Sponsorship Platform](https://www.blackbook.dk/en/portfolio/valiyou/) ### UX and design of fintech platform — Zenegy Framework - As Head of UX, UI & Design at Zenegy, I led UX strategy, design system, white-label framework and design teams across three countries. [Zenegy - Framework — Design UI / UX](https://www.blackbook.dk/en/portfolio/zenegy-framework/) ### SaaS product design for sponsorship platform — Valiyou.io - Lead Product Design for Valiyou.io – a data-driven SaaS platform turning attention value into measurable KPIs for sponsorships, sports clubs and events. [Valiyou.io — Increase the value of your sponsorships](https://www.blackbook.dk/en/portfolio/valiyou-io/) ### Global master eDetailer for physicians — Mirena - Designed the global master eDetailer for Bayer HealthCare's Mirena IUD – 6 tracks and 250+ interactive slides. [Mirena — Global Master - eDetailer](https://www.blackbook.dk/en/portfolio/mirena-bayer-healthcare/) ### eDetailer and risk calculator — Bayer Xarelto - Designed iPad-based eDetailers and personalised portals with risk calculators for iOS and Android for Bayer's blockbuster product Xarelto. [Xarelto — Global web portal](https://www.blackbook.dk/en/portfolio/bayer-healthcare/) ## Related services ### UX Agency & Product Design Copenhagen — Blackbook - From user research and UX to a finished design system. Blackbook runs product design end to end – research, flows, UI and testing. [UX & Product Design](https://www.blackbook.dk/en/services/ux-product-design/) ### Web Design Agency Copenhagen — Blackbook - From information architecture to finished website. Blackbook builds websites that unite brand, user experience and conversion. [Web Design](https://www.blackbook.dk/en/services/webdesign/) ### Branding & Visual Identity Studio Copenhagen — Blackbook - From name and logo to colour, type and digital expression. Blackbook creates branding and visual identities that hold together. [Branding & Visual Identity](https://www.blackbook.dk/en/services/branding/) ### App Design for iOS & Android — Blackbook - From idea to App Store. Blackbook designs customer-facing apps for iOS, Android and web – AI-driven features and flows for daily use. [Apps](https://www.blackbook.dk/en/services/apps/) ### Corporate Website Design Copenhagen — Blackbook - From front page to careers page. Blackbook builds corporate websites that create trust – with a CMS your own team can update. [Corporate Websites](https://www.blackbook.dk/en/services/corporate-websites/) ### Web Accessibility & WCAG 2.2 Design — Blackbook - Contrast ratios, target sizes and WCAG 2.2 as design decisions – not patches. Blackbook designs accessible websites that pass the audit. [WCAG · Accessibility](https://www.blackbook.dk/en/services/accessibility/) ### Public Sector Digital Agency Copenhagen — Blackbook - Digital agency experienced in the public sector. Accessible websites, portals and self-service – WCAG compliance built in. [Public Sector](https://www.blackbook.dk/en/services/public-sector/) ## About Blackbook Blackbook is a Copenhagen digital agency blending creativity and technology across UX, branding, websites and eCommerce. Areas of expertise: - [Apps & Products](https://www.blackbook.dk/en/area/apps-products/index.md) - [Brand & Campaigns](https://www.blackbook.dk/en/area/brand-campaigns/index.md) - [Websites & eCommerce](https://www.blackbook.dk/en/area/websites-ecommerce/index.md) Key figures: - 250+ Digital projects - 150+ Clients - 15+ Fortune 500 - 5+ Top 100 Brands - 25+ Years experience ## Site [Home](https://www.blackbook.dk/en/index.md) [Portfolio](https://www.blackbook.dk/en/portfolio/index.md) [About](https://www.blackbook.dk/en/about/index.md) [Services](https://www.blackbook.dk/en/services/index.md) [Experience](https://www.blackbook.dk/en/experience/index.md) [Recognition](https://www.blackbook.dk/en/awards/index.md) [Contact](https://www.blackbook.dk/en/contact/index.md) [CV](https://www.blackbook.dk/en/cv/index.md) [Journal](https://www.blackbook.dk/en/journal/index.md) Blackbook · Jerichausgade 7 · 1777 Copenhagen · (+45) 31 10 79 13 · [jeppe@blackbook.dk](mailto:jeppe@blackbook.dk)