Proton Mail Logo & Brand Colors
The Proton Mail brand colors are Indigo #6D4AFF, Indigo 2 #7341FF, Indigo 3 #AA8EFF, Light Indigo #E3D9FF and Dark Indigo #1B1340.
End-to-end encrypted e-mail service from Proton AG · proton.me
Community data · Updated 2026-10-02
Proton Mail logo downloads (SVG & PNG)
Vector SVG files plus PNG at 256, 512, 1024, 2048 px on transparent, white or dark backgrounds — rendered from the SVG, proportions never altered.
Logo · light background · SVG · Download SVG · Public domain (simple shapes / text — not copyrightable) · source 
Icon · light background · SVG · Download SVG · CC0 1.0 · source 
Icon · dark background · SVG · Download SVG · CC0 1.0 · source
Proton Mail brand colors — HEX, RGB, HSL, CMYK & Pantone
| Color | HEX | RGB | HSL | CMYK | Pantone | Role | Source | |
|---|---|---|---|---|---|---|---|---|
| Indigo | #6D4AFF | rgb(109, 74, 255) | hsl(252, 100%, 65%) | cmyk(57%, 71%, 0%, 0%) | PANTONE 18-3949 TCX Dazzling Blue (ΔE 58.3) | brand | simple-icons (CC0) | |
| Indigo 2 | #7341FF | rgb(115, 65, 255) | hsl(256, 100%, 63%) | cmyk(55%, 75%, 0%, 0%) | PANTONE 18-3949 TCX Dazzling Blue (ΔE 62.9) | accent | Wikidata / Wikimedia Commons | |
| Indigo 3 | #AA8EFF | rgb(170, 142, 255) | hsl(255, 100%, 78%) | cmyk(33%, 44%, 0%, 0%) | PANTONE 17-3834 TCX Dahlia Purple (ΔE 30.7) | accent | Wikidata / Wikimedia Commons | |
| Light Indigo | #E3D9FF | rgb(227, 217, 255) | hsl(256, 100%, 93%) | cmyk(11%, 15%, 0%, 0%) | PANTONE 13-3820 TCX Lavender Fog (ΔE 12.9) | light | Wikidata / Wikimedia Commons | |
| Dark Indigo | #1B1340 | rgb(27, 19, 64) | hsl(251, 54%, 16%) | cmyk(58%, 70%, 0%, 75%) | PANTONE 19-3731 TCX Parachute Purple (ΔE 11.4) | dark | Wikidata / Wikimedia Commons |
Colors observed on proton.me
Seen in the website's CSS — informative, not official: #CA8A04 #4A2DC5 #372580 #9CA3AF #D1D5DB
Contrast (WCAG)
| Color | On white | On black |
|---|---|---|
| Indigo #6D4AFF | 5.2:1 | 4.1:1 |
| Indigo 2 #7341FF | 5.3:1 | 3.9:1 |
| Indigo 3 #AA8EFF | 2.6:1 | 8:1 |
| Light Indigo #E3D9FF | 1.3:1 | 15.6:1 |
| Dark Indigo #1B1340 | 17.3:1 | 1.2:1 |
Proton Mail fonts
Observed on proton.me: ProtonGeometric (body).
About Proton Mail
Proton Mail is an end-to-end encrypted email hosting service. It was launched in 2014 by Andy Yen, Jason Stockman and Wei Sun. Proton Mail is headquartered in Geneva, Switzerland. It is owned by the non-profit Proton Foundation through its subsidiary Proton AG, which also operates Proton VPN, Proton Drive, Proton Calendar, Proton Pass, Proton Wallet, Proton Meet, and Lumo AI. Proton Mail uses client-side encryption to protect email content and user data before they are sent to company servers, unlike other common email providers such as Gmail and Outlook.com.
Text from Wikipedia, CC BY-SA 4.0.
| Industry | Technology |
|---|---|
| Founded | 2013 |
| Website | proton.me |
Tags: Technology, webmail, email hosting service, software
FAQ
What is the Proton Mail brand color hex code?
The primary Proton Mail color is Indigo #6D4AFF (rgb(109, 74, 255); hsl(252, 100%, 65%); cmyk(57%, 71%, 0%, 0%)). The closest Pantone TCX match is PANTONE 18-3949 TCX Dazzling Blue (ΔE 58.3).
What are all the Proton Mail brand colors?
The Proton Mail brand colors are Indigo #6D4AFF, Indigo 2 #7341FF, Indigo 3 #AA8EFF, Light Indigo #E3D9FF and Dark Indigo #1B1340. Colors observed on proton.me but not confirmed as official are listed separately.
How do I download the Proton Mail logo?
Choose a tile in the Logos section (logo, icon) and click SVG for the vector file or PNG for a transparent, white or dark background at 256, 512, 1024, 2048 px. "Download all" packs every file into one ZIP. PNGs are rendered in your browser from the SVG, so the proportions are never altered.
Can I use the Proton Mail logo?
The files here are distributed under: Public domain (simple shapes / text — not copyrightable); CC0 1.0. The Proton Mail name and logo remain trademarks of their owner. You may use them to refer to Proton Mail (articles, reviews, comparisons, tutorials, app integrations) but not to imply endorsement, on merchandise, or in a modified form. See our Logo Fair Use guide and Trademark Policy.
What font does Proton Mail use?
On proton.me we observed ProtonGeometric (body). Fonts are detected from the live website, not from brand guidelines.
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