Are Blue License Plate Lights Illegal?

Blue License Plate Lights, also known as blue LED license plate lights, are a type of automotive accessory that is designed to replace the standard white license plate lights on a vehicle. These lights emit a blue glow and are often used by car enthusiasts to enhance the aesthetic appeal of their vehicles. 

Are Blue License Plate Lights Illegal? This is a common question among car owners who are considering installing blue license plate lights on their vehicles. The legality of these lights can vary depending on local laws and regulations, and drivers need to be aware of the rules in their specific area. 

In many places, the use of blue license plate lights is indeed illegal. The primary reason behind this prohibition is to prevent confusion with emergency vehicles, as blue lights are often associated with law enforcement and emergency services. 

Understanding License Plate Lights

License plate lights are an essential component of any vehicle. They serve a crucial function by illuminating the license plate, ensuring it remains visible in low-light conditions. These lights help law enforcement identify vehicles and their owners, and they are subject to specific regulations to maintain their functionality.

Blue license plate lights, as the name suggests, emit a blue hue rather than the conventional white light. While some individuals opt for blue lights as an aesthetic choice, it is crucial to understand the legal implications associated with them.

Purpose of License Plate Lights

  • Visibility The main objective of license plate lights is to provide adequate illumination for a vehicle’s license plate. This ensures that the plate remains readable and identifiable, both to law enforcement and surveillance cameras.
  • Safety In addition to aiding identification, license plate lights also contribute to overall road safety. They help other drivers see and recognize a vehicle’s license plate in various driving conditions, reducing the risk of accidents and hit-and-run incidents.

The Legal Perspective

Understanding the legality of blue license plate lights and why Motorcycles Need License Plate Lights requires a closer look at the regulations and laws in place in different jurisdictions. Here, we will explore how various regions approach the use of these lights.

United States

The legality of blue license plate lights in the United States can vary from state to state. It is important to note that federal regulations provide certain standards, but individual states often have the authority to impose their own restrictions or requirements. 

StateBlue License Plate Light Legality
CaliforniaGenerally Illegal
TexasGenerally Illegal
New YorkGenerally Illegal
FloridaGenerally Illegal
ArizonaGenerally Illegal

As shown in the table, many states in the United States generally consider blue license plate lights illegal. It is essential to consult the specific regulations of your state to determine whether any exceptions or nuances apply.


In Canada, the use of blue license plate lights also falls under strict regulations. The Canadian Vehicle Equipment Regulations (CVER) outline the standards and requirements for vehicle lighting. According to CVER, license plate lights should emit white light. The use of blue lights is not compliant with these regulations and is therefore considered illegal in Canada.

United Kingdom

In the United Kingdom, the Road Vehicles Lighting Regulations 1989 dictate the standards for vehicle lighting. License plate lights in the UK must also emit white light. The use of blue license plate lights is not compliant with these regulations and is generally considered illegal.


Australia follows the Australian Design Rules (ADRs) for vehicle equipment and safety. License plate lights in Australia are required to emit white light. The use of blue license plate lights is non-compliant with ADRs and is generally illegal.

European Union

The European Union has harmonized regulations for vehicle lighting, and license plate lights must emit white light. Blue license plate lights are typically considered illegal in EU member states.

Other Regions

Many other countries around the world adhere to similar regulations, with license plate lights required to emit white light. The use of blue license plate lights is often considered illegal in these regions as well.

It is important to emphasize that while we have provided an overview of regulations in specific countries and regions, there may be exceptions, variations, or specific circumstances that could affect the legality of blue license plate lights in certain areas. Therefore, it is advisable to consult local or national authorities and familiarize oneself with the specific regulations in your region.

Consequences of Using Blue License Plate Lights

Consequences of Using Blue License Plate Lights
  • Fines: Law enforcement may issue fines to drivers caught with illegal license plate lights.
  • Vehicle Inspection Failures: During vehicle inspections, illegal blue license plate lights can lead to a failed inspection.
  • Traffic Stops: Blue license plate lights can attract the attention of law enforcement, resulting in traffic stops and potential legal consequences.
  • Safety Risks: Non-compliant license plate lights can compromise road safety, as they may hinder the visibility of the license plate and increase the risk of accidents.

Legal Alternatives and Considerations

For those looking to personalize their vehicle’s appearance while staying within the bounds of the law, there are alternative options to consider. Using blue license plate lights in violation of regulations can have various consequences. These may include

Legal Colored Bulbs

Some jurisdictions permit the use of colored bulbs as long as they meet specific requirements. These bulbs are designed to produce colored light without violating regulations. If you wish to add a touch of color to your license plate lights, ensure that the bulbs you choose are legal in your area.

LED Covers

LED covers or lens caps are available in various colors and designs. These covers can be placed over your license plate lights to alter their appearance. It’s important to verify the legality of these covers in your region, as some jurisdictions may have restrictions on their use.

Off-Road Use

In certain cases, blue license plate lights may be permitted for off-road or show use only. However, this typically applies to specific events or off-road settings and is not intended for use on public roads.

Before making any modifications to your vehicle’s license plate lights, it is crucial to research and understand the local regulations in your area. What may be legal in one region could be illegal in another, and compliance with the law is essential to avoid legal consequences.


The legality of using blue license plate lights is a complex matter that varies from one jurisdiction to another. While they may be considered a stylish addition to a vehicle, it is crucial to prioritize compliance with local regulations. Ignoring these regulations can lead to fines, vehicle inspection failures, and traffic stops, which could ultimately compromise your safety and the safety of others on the road. 

To ensure you are on the right side of the law, always consult your local regulations and consider legal alternatives if you wish to personalize your license plate lights. Remember, staying informed and following the law is the best way to enjoy your vehicle customization without legal repercussions.

Leave a Comment