Ambrosus logo: white eye containing a keyhole inside a blue circle
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Ambrosus (AMB)

Ambrosus (AMB) was a blockchain-based ecosystem for supply chain management, founded in July 2017 and headquartered in Zug, Switzerland. In November 2021 it announced a new logo and website, and in 2022 it rebranded as AirDAO.

Ambrosus (AMB) was a blockchain-based ecosystem designed for supply chain management, combining IoT sensors with distributed ledger technology to verify product quality, safety and origins, particularly in food and pharmaceutical industries.[1] The project was founded in July 2017 with headquarters in Zug, Switzerland.[1] In 2022, the Ambrosus ecosystem underwent a rebranding and transitioned to AirDAO, a community-governed blockchain and ecosystem of web3 dApps powered by the same native token, AMB.[2]

Design and History

The Ambrosus logo was distributed through official press releases from Ambrosus Technologies GmbH, with the company’s logo image hosted on PR Newswire’s media server.[3] The mark was used across the company’s corporate communications, including announcements about its developer portal, gateway API and SDK releases.[4]

In November 2021, Ambrosus announced a new logo and website at ambrosus.io.[5] The following year, in June 2022, the project’s leadership acknowledged that the Ambrosus brand “lacks resonance with the rapidly growing blockchain and crypto landscape” and launched an open branding initiative that gave AMB token holders a voice in updating the ecosystem’s brand.[2]

On 15 September 2022, AirDAO publicly launched with a new website, integrated product dashboard, multichain bridge and block explorer, “all complete with new branding.”[6] The transition was described as part of an “Ambrosus 3.0” mission that began in March 2022.[7] The rebranding process continued through late 2022 and into early 2023, during which the AMB-net L1 network name was changed to AirDAO.[8]

Meaning and Symbolism

The visual identity was distributed through press materials, but the organization did not publish a documented explanation of the mark’s design intent.

Typography and Design

No official documentation specifying the typography, color values or construction details of the Ambrosus logo was found. The logo was made available in vector formats for download, and versions in black and white were distributed for use on different backgrounds.[9] A community-created cryptocurrency icon for Ambrosus was designed by Christopher Downer as part of a public domain icon pack, though this is not an official Ambrosus asset.[10]

Logo Index is an independent educational archive covering logos, visual identities and graphic design history. All trademarks and brand assets remain the property of their respective owners.

Logo data

Measured from the original SVG file on 30/09/2026.

Colors

3 colors

  • #3C5BE0Blue, 88%

    RGB 60, 91, 224; CMYK 73, 59, 0, 12

    White text 5.6:1 (passes AA)

  • #FFFFFFWhite, 11%

    RGB 255, 255, 255; CMYK 0, 0, 0, 0

    Black text 21.0:1 (passes AA)

  • #889BECBlue, 1.2%

    RGB 136, 155, 236; CMYK 42, 34, 0, 7

    Black text 7.9:1 (passes AA)

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Backgrounds and sizes

Contrast and color difference

Compared with Crypto

648 measured Crypto logos

Only 17% of Crypto logos in the archive use exactly 3 colors.

  • Main color blue31%
  • Symbol44%
  • 3 colors17%

From measured files, not tags. Updated 28/10/2026.

Structure

Logo type
SymbolClassified by AI
Proportions
1.0 : 1Roughly square
Ink coverage
78%22% empty space inside the outline
Symmetry
Mirror-symmetric100% left-right match
Outline
CircularOverall silhouette
Complexity
Moderate2 shapes, about 213 points

Tints and shades

Click a step to copy

#3C5BE0

#889BEC

Visual description

Classified by AI

Symbol shows
Eye containing a keyhole
Style
Flat, minimal, geometric
Layout
Symbol on its own
Techniques
Negative space, hidden symbol, line art

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