QR Codes on Business Cards: A Practical Guide

Why add a QR code to your business card?

Business cards are a 50-year-old technology, and their limitations are well-known: limited space, manual data entry, and the constant possibility of typos. A QR code solves the data-entry problem completely. The recipient scans once, and their phone either adds your contact details automatically or opens the exact page you want them to see — no typing, no searching.

More practically: people tend to photograph business cards rather than keep them. When the photo is on their phone, the QR code in the photo is scannable. Your digital presence stays accessible even after the physical card is lost.

What to link to

The right destination depends on your context:

Sizing requirements for business cards

Standard business cards are 85 × 55 mm. A QR code typically occupies a 15–20 mm square in the corner or on the reverse side. At 15 mm printed size, scan reliability depends heavily on:

• ▸URL length — shorter URLs encode as simpler patterns with larger modules, making them easier to scan at small sizes. Use a custom short domain or vanity URL when possible.
• ▸Contrast — at 15 mm, any contrast issues that are forgiving at larger sizes become critical. Use maximum contrast: near-black modules on white.
• ▸Dot style — Square or Rounded work best at small sizes. Dots style and Extra Rounded have wider gaps between modules which can cause read failures when printed small.
• ▸Print quality — always use SVG and request at least 300 DPI from your printer. Low-resolution printing blurs module edges and causes scan failures.

As a rule: if your QR will be 20 mm or larger, you have considerable design flexibility. Below 20 mm, prioritize contrast and simplicity over visual complexity.

Design: making it look intentional

A black-and-white QR dropped into a corner of your card looks like an afterthought. A styled QR that uses your brand colors looks like a deliberate design element.

Practical options:

• ▸Match the QR module color to your primary brand color on a white background. This integrates the code visually without compromising scan reliability.
• ▸Add your logo to the center of the QR — most scanning apps can read codes with a logo covering up to 30% of the area. This turns the QR into a branded element rather than a generic black box.
• ▸Place a short label below the code: "Scan to connect", "See my work", or "Add to contacts". This sets expectations and increases scan rate.
• ▸If your card has a dark background, use a white or very light background for the QR block to ensure the code remains readable.

Testing your business card QR

Before sending your card design to print, test the QR code at the exact intended print size:

1. Export the card design at actual size (print at home or on a proof)
2. Scan with an iPhone (using the native camera) and an Android phone
3. Scan in normal indoor lighting and in low light
4. If either fails, increase the code size, simplify the design, or shorten the encoded URL

Creating your business card QR with oh my qr

Select the content type that matches your goal: Contact (vCard) to share full contact details, URL for a website or portfolio, or Email for a direct email action.

Match the module color to your brand, optionally add your logo, and download the SVG for print. The entire process takes about two minutes. No account required.