QR Basics 2026-02-25 4 min By Cornelious Fazal
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QR Code with Logo: Best Practices for Scannable, Branded Codes

Quick Answer

Learn how to add a logo to a QR code without breaking its scannability. Covers logo size limits, error correction, contrast rules, and common mistakes to avoid.

Can You Add a Logo to a QR Code?

Yes - and it remains scannable, thanks to a built-in error correction feature of the QR code standard. A QR code can have up to 30% of its area covered and still decode correctly. This is the mathematical guarantee that makes logo embedding safe.

However, doing it incorrectly can produce beautiful-looking codes that fail to scan reliably. This guide covers the rules you must follow.

The Science: Error Correction Levels

The ISO/IEC 18004 QR standard defines four error correction levels:

LevelName% RecoverableUse When
LLow7%Clean digital display, no logo
MMedium15%Standard use, minor damage possible
QQuartile25%Outdoor use, light logo
HHigh30%Required when adding a logo

Always use Error Correction Level H when embedding a logo. Our QR Code with Logo Generator automatically sets this for you.

The 10% Rule: Logo Size Limit

While H-level correction technically allows 30% coverage, keep your logo under 10% of the QR code's total area for maximum reliability. This may feel conservative, but here's why it matters:

  • The 30% error correction is theoretical maximum recovery, not a comfortable margin
  • At 30% logo coverage, many low-end scanner apps start failing
  • Digital display at low resolution makes smaller modules harder to distinguish near the logo boundary
  • 10% logo = approx. 32% of one side of the QR code (since area scales with square of dimension)

In practice: on a 500x500 pixel code, keep your logo under 160x160 pixels. On a 1000x1000 code, keep it under 316x316 pixels.

Contrast: The Most Overlooked Rule

Adding a logo introduces new contrast considerations beyond just the QR pattern itself:

  • The logo must not spill into the QR modules around it. Ensure a clean white border (called a "quiet zone" border) separates the logo from the nearest QR modules.
  • Don't use a transparent logo on a light background. If your logo is white or light-colored, add a white circular or square background behind it so it's clearly distinct from the dark QR modules.
  • Don't use a dark-heavy logo on a dark module area. The logo should clearly stand out from the surrounding pattern.

Logo Shape: Circle vs Square

Both work, but each has considerations:

  • Circle logo: Softer appearance, covers fewer module corners, tends to be safer for scannability. Best practice for most brands.
  • Square logo: Aligned with the QR module grid - can look crisper if sized precisely. Add a white margin of at least 4 modules around it.

Color Choices for Branded QR Codes

You can use brand colors, but follow these rules:

  • Foreground (modules) must always be darker than background. A light module on a dark background also works (inverted), but the scanner app must support it - most modern ones do.
  • Minimum contrast ratio: 4:1 between foreground and background. Pure black (#000000) on pure white (#FFFFFF) is always safest.
  • Avoid red on green, blue on blue - color-blind scanners (yes, some devices use algorithmic color correction) can fail with low-perceptual contrast.
  • Test before printing. Always scan your final code with multiple devices before ordering print runs.

Step-by-Step: Create a Logo QR Code That Scans Reliably

  1. Go to the QR Code with Logo Generator.
  2. Enter your URL or other data type.
  3. Set Error Correction to High (H) - this is automatically set on the logo tool.
  4. Upload your logo (PNG or SVG). Keep it under 10% of code area.
  5. If your logo has a transparent background, enable the white padding option.
  6. Choose your brand colors (dark foreground on light background).
  7. Scan the preview with your phone before downloading - if it scans, you're good.
  8. Download SVG for print, PNG for digital use.

Common Mistakes That Break Logo QR Codes

  • ❌ Logo too large - Covering more than 20% area reliably fails on basic scanner apps
  • ❌ Wrong error correction level - Using L or M with a logo; this is the most common cause of failure
  • ❌ Low contrast logo colors - Logo bleeds into the surrounding modules visually
  • ❌ Not testing - Printing 500 business cards before verifying the code scans
  • ❌ Scaling a PNG logo code up - Always start at your target size, don't rescale PNG after generation

Summary

A logo QR code is a powerful branding tool when done correctly. Follow these three rules and you'll never have a scanability problem:

  1. Always use Error Correction Level H
  2. Keep the logo under 10% of the total code area
  3. Test on real devices before printing

Frequently Asked Questions

No - if done correctly. QR codes have built-in error correction that allows up to 30% of the pattern to be covered and still decode. The key is using High (H) error correction level and keeping the logo under 10-15% of the total code area.

Always use Error Correction Level H (High), which provides 30% damage recovery. This is the only safe setting for logo embedding. Our QR Code Generator with Logo sets this automatically.

Keep your logo under 10% of the total QR code area for maximum reliability. Technically, H-level correction allows up to 30% coverage, but at that size many scanner apps begin to struggle. 10% is the professional standard.

Yes, but ensure high contrast: your dark modules must be clearly darker than the background. Avoid low-contrast color pairs (e.g., dark red on dark green). Always test with multiple phone models before printing.
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