What color ink is considered legal?

Asked by: Kelvin Senger  |  Last update: May 31, 2026
Score: 4.9/5 (5 votes)

For legal documents, black or blue ink are generally considered acceptable, with black being best for scanning/official records (like passports) and blue often preferred for signatures to easily distinguish originals from copies, though you must always check form instructions for specific color requirements, as using the wrong color (red, green, purple) can lead to rejection or issues, Pens.com.

What color ink is legally binding?

Reach for the blue ink pen! Banks prefer blue because it's easier to verify that the signature is legitimate and the documents are original when they're signed in blue ink. Unlike black ink, a blue ink signature isn't as easy to reproduce.

What color ink do you use for legal documents?

While no law mandates a specific ink color for most legal documents, some attorneys prefer blue ink. This preference stems from the psychology and practicality of distinguishing originals from photocopies.

What color ink can notaries use?

The American Association of Notaries (AAN) can accommodate notaries with a choice of ink colors on almost any notary stamp or notary seal available on the AAN website. The choices are black, blue, purple, green, and red.

Is green ink acceptable for legal documents?

You don't want to use red or purple or green. To be safe, you are better off using blue or black ink. But determining which color is acceptable doesn't have to be tricky. Be wary of certain pen requirements within the directions at the top of any form that you may fill out.

What Color Ink For Legal Documents? - CountyOffice.org

18 related questions found

What does purple ink mean?

Purple ink is often associated with poetic writing and literature. Historically, purple-colored ink was used to indicate power and sacred knowledge (royalty and religious orders).

What color pen is good documentation practices?

Using indelible ink: All records must be filled out in indelible BLACK or BLUE ballpoint pen for long-term legibility. Do not use pencil or ink that can be erased.

What is the most common mistake made by a notary?

The most common and serious mistake a notary makes is failing to require the signer to appear personally, which violates law and leads to fraud claims; other frequent errors include incomplete or incorrect certificates (wrong dates, missing venue, illegible seals, incorrect wording, or misaligned signatures/names) and failing to properly verify signer identity. These errors can invalidate documents and lead to legal penalties, making adherence to strict procedures crucial. 

What is the best pen for signing legal documents?

Ballpoint Pens: These pens use a thick, oil-based ink that dries quickly and doesn't smudge. They are known for their reliability, making them a popular choice for official documents. 2. Rollerball Pens: Rollerball pens use water-based ink that flows more smoothly, resulting in a wetter signature.

Can you send letters with blue ink?

Key Details for Domestic Mail:

Handwriting should be clear, preferably printed, using blue or black ink on white or light-colored envelopes. Colored envelopes, such as those used for birthday and holiday cards, are OK to use as long as the ink used contrasts with the envelope's color.

What ink is used for official documents?

Stick to Using Black Ink for Legal and Official Documents

Black ink is still the best pen for signature on most legal documents. Despite blue ink's popularity, most professional documents and forms require us to use black ink. If you're applying for a new job, for instance, you may have to use a black ink pen.

Does a will need to be signed in black ink?

All signatures should be written clearly and we suggest using black ink. Aside from signing your Will, your witnesses will also have to provide their full name, address and occupation. Your witnesses do not have to read the Will or know what's in it but they should be confident that you do!

Is it professional to write in blue ink?

Professional scholars and other professionals usually prefer blue ink for their pens. Classic Blue's deep and reliable traits make it an ideal match for thinkers who need accurate communication.

What ink is used for legal documents?

However, blue ink is also widely accepted in legal and administrative contexts because it provides an easy visual distinction between an original and a copy. Both black and blue can be classed as document-safe, provided the ink formulation meets the relevant standards.

Is red ink legal?

A signature in red ink on a legal form typically has no special legal meaning unless specified by the document or jurisdiction.

Can you use blue ink on government documents?

Government agencies, law offices, and notaries often request blue ink to distinguish original submissions from photocopies. Some forms even include reminders like “Please use blue ink only” to simplify verification.

What color ink do notaries use?

When notarizing paper documents, the stamp must be applied in permanent ink and be capable of being photocopied (NMAC 12.9. 3.12. A[1]). Best practice is to use blue or black ink.

Why do notaries use blue ink?

Document Authenticity

Blue ink stands out on paper, making it easier to distinguish an original signature from photocopies or scans. This is especially important in real estate transactions, where the validity of documents can be subject to scrutiny.

Are zebra pens good?

Yes, Zebra pens are generally considered good, praised for their sturdy metal bodies (like the F-301/F-402), smooth-writing gel ink (Sarasa line), and innovative designs (Blen series) that reduce wobble, making them reliable everyday pens for many, though some find standard ballpoints less impressive than their gel counterparts.
 

What invalidates a notarized document?

A notarized document can be invalidated by fundamental flaws like improper identification, lack of signer presence, blank spaces, missing signatures, or an expired notary commission, as well as fraudulent acts, unauthorized alterations, backdating, or the notary acting with a conflict of interest, all undermining the document's authenticity and the integrity of the notarization process.
 

Why do notaries get sued?

If you are notarizing using a Jurat, a verbal oath is required, and the signer must verbally attest to the truthfulness of the documents, and attest that they are signing of their own free will. You can be fined and can lose your commission. This is the number one reason notaries are in court.

Can you cash a check with different color ink?

Prepare to use blue or black ink: The use of markers, crayons, pencils or other ink colors may result in the check not being deposited successfully. Add your signature: Sign your name so it matches the name in the payee field of the check.

What color ink is legal for medical documents?

Rules on Ink Color (HIPAA, Medicare, and State Regulations)

The Health Insurance Portability and Accountability Act (HIPAA), Medicare, and state laws require medical records to be clear, legible, and permanent. While no single federal rule specifies which ink to use, black or dark blue ink is recommended.

What is the color of ink etiquette?

Writing ink comes in many colors. However, dark blue and black are the most formal and correct. The standard dark blue ink conveys a neutral message. Your reader won't even notice the color.