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Red stamp
29 August 2026 ยท Estamplab
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Somebody reading your document decides what kind of mark it is before they read a word of it, and the thing they use to decide is the colour.
Open the stamp maker and start from any of these
Red
A red stamp carries the most meaning and the most risk of being misread, because it means two different things depending on where the reader is.
Across China, Hong Kong, Taiwan, Singapore and Malaysia, red is the colour of authority. The company chop is red because the traditional seal paste is a red cinnabar ink, and a red rubber stamp on a contract there reads as the company binding itself. Nothing else is expected.
In most western offices, red means attention: URGENT, VOID, CONFIDENTIAL, OVERDUE. A red company seal on a British or American invoice reads as a warning rather than as an endorsement, which is the opposite of what was intended.
So: red for a chop, red for anything meant to stop the reader, and think twice about red for a routine company mark outside Asia.
Blue
The office default, and the reason is practical rather than aesthetic. Blue is instantly separable from black body text, so a blue stamp reads as a mark applied to the document rather than as part of it. It is also what most ink pads ship with, so it is what people are used to seeing.
Blue is the safe answer for a company stamp, a doctor's signature block, a bank stamp and almost anything routine. If you have no reason to choose otherwise, choose blue.
Black
Black is for the permanent record. It survives repeated photocopying and faxing better than anything else, because every generation of a copy loses colour before it loses contrast.
Its weakness is the same as its strength: on a printed document a black stamp can be mistaken for part of the original text, which is exactly the ambiguity a stamp is supposed to remove. Use it where the document will be copied many times and the mark has to survive, and overlap it slightly with the signature so it reads as applied.
The one that gets forgotten: what happens after the scan
Most documents now get printed once, stamped, scanned, emailed and then printed again by somebody else. Every one of those steps costs contrast.
Test the colour at the end of that chain, not at the start. A pale grey-blue that looks refined on screen becomes invisible after two generations of copying. Anything with fine hairlines in a light colour disappears entirely. If the registration number on your seal has to be readable by somebody in a bank three copies later, that constrains the colour more than any convention does.
Read more: Why rubber stamp ink smudges, and how to stop it for good
Using colour as a system
The value of colour is not decoration, it is that colour can mean something across a whole set of stamps. Once you have four or five, decide once:
- Blue for identity: the company stamp, the signature block, the clinic seal
- Red for stop: VOID, CANCELLED, URGENT, CONFIDENTIAL
- Green or black for process: RECEIVED, POSTED, FILED, CHECKED
- Red for the chop, if you work in a market that expects one
A set built this way is readable at a glance across a desk. A set where each stamp was coloured by whoever ordered it is just five stamps.
Frequently asked questions
Why are company chops red?
Convention with a practical root. Traditional seal paste is a red cinnabar ink, and red carried the sense of an official mark long before any of this was digital. The practical part still holds: a red seal is instantly separable from black text and from a blue ink signature, and it survives a photocopy as an obviously separate mark.
What colour should a company stamp be?
Blue is the safe default in most of the world, because it is clearly distinct from body text and is what people expect on routine paperwork. Red is correct and expected for a company chop across much of Asia. Black is for documents that will be copied repeatedly.
Is a red stamp more official?
In China, Hong Kong, Singapore and Malaysia, yes, that is the convention. In most western offices red signals urgency or a warning rather than authority, so a red company seal there can read as the opposite of what you meant.
Can I match my brand colour exactly?
Yes, there is a full colour picker rather than a fixed palette. One caution: a brand colour chosen for a screen is often too light for a stamp, and a stamp has to survive being printed and scanned. Check it at the size and in the state the document will actually be in.
Does the ink colour affect whether a stamp is accepted?
Only where a specific requirement says so, and those exist: some registries and some banks specify an ink colour for particular forms. Where nothing is specified, colour is a convention rather than a rule, and the practical test is whether the mark is still legible after the document has been through a printer and a scanner.