AstraZeneca logo with magenta wordmark and stylized yellow letter A symbol on the right.
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AstraZeneca

AstraZeneca is a global pharmaceutical company formed in 1999 through the merger of Astra AB and Zeneca Group PLC. Its logo was created by Interbrand Newell & Sorrell and unveiled in June 1999.

AstraZeneca is a global, science-led pharmaceutical company formed in 1999 through the merger of Swedish company Astra AB and British firm Zeneca Group PLC. The merger was completed on April 6, 1999, and the company held its first official day of operations just 40 working days later.[1] The new entity required a unified visual identity to represent the combined business, and the resulting logo has remained largely consistent since its launch.

Design and History

The AstraZeneca logo was created by the branding agency Interbrand Newell & Sorrell and unveiled in June 1999.[2][3] The mark is a stylized joining of the letters “A” and “Z”, placed at the end of the corporate name.[1] The design combines the two letters with the familiar DNA spiral, an attempt to convey the nature of the company’s business in the scientific field.[2][4]

The identity was designed “to reflect the characteristics of our company” according to statements at the time of launch.[3] It was intended that the logo would eventually achieve sufficient recognition that it could be used alone, without the full company name.[3]

Approximately ten years after the original launch, Interbrand was commissioned to refresh the identity, with signage guidelines updated and implemented globally.[5] The logo’s core design has remained essentially unchanged since its inception, with the intent that it would endure and reflect values of scientific rigour, research and innovation.[6]

Meaning and Symbolism

The AstraZeneca symbol merges the letters A and Z with a DNA spiral, directly referencing the company’s scientific and pharmaceutical focus.[2] The modified double helix next to the company name provides an immediate clue that the company operates in the scientific field.[4] The mark has also been described as vaguely resembling a molecular compound, with the letters A and Z emerging from the shape.[7]

Typography and Design

The corporate colours of AstraZeneca were established as purple and gold at the time of the 1999 identity launch, with Helvetica chosen as the typeface for the wordmark.[3] The colour combination was described as “terracotta on purple”, reportedly chosen as softer and more “human” than the hard blues and greens used by many pharmaceutical companies.[2]

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Logo data

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

Colors

2 colors

  • #8A0051Pink, 55%

    RGB 138, 0, 81; CMYK 0, 100, 41, 46

    White text 9.5:1 (passes AA)

  • #EFAB00Gold, 45%

    RGB 239, 171, 0; CMYK 0, 28, 100, 6

    Black text 10.5:1 (passes AA)

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Backgrounds and sizes

Contrast and color difference

Compared with Pharmaceuticals

75 measured Pharmaceuticals logos

Only 3% of Pharmaceuticals logos in the archive use pink as the main color.

  • Main color pink3%
  • Combination mark57%
  • 2 colors25%
  • Most common main color here: blue44%

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

Structure

Logo type
Combination markClassified by AI
Proportions
3.9 : 1Horizontal
Ink coverage
19%81% empty space inside the outline
Symmetry
Asymmetric18% left-right match
Outline
Free-formOverall silhouette
Complexity
Detailed12 shapes, about 1,014 points

Tints and shades

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#8A0051

#EFAB00

Typography

  • Helvetica named in the article above

Lettering style: Humanist sans.

Free fonts in this style: Source Sans 3, Fira Sans, Open Sans

Visual description

Classified by AI

Symbol shows
Stylized letter A
Style
Geometric, minimal, flat
Layout
Symbol right of the name
Techniques
Letter used as symbol
Text in the logo
AstraZeneca

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