Sonic Healthcare logo with a blue circle containing a red DNA helix and serif uppercase text.
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Sonic Healthcare

Sonic Healthcare is an Australian multinational medical diagnostics company headquartered in Sydney, with operations in Australasia, Europe and North America. Its corporate logo is built around a stylized DNA double-helix over a circular background.

Sonic Healthcare is an Australian multinational medical diagnostics company headquartered in Sydney, with operations in Australasia, Europe and North America [1]. Its corporate logo is built around a stylized DNA double-helix over a circular background, a mark that has been registered as a trademark by Sonic Healthcare Limited [2].

Design and History

Sonic Healthcare Limited filed a U.S. federal trademark application for the logo on June 16, 2010, and the mark was registered on January 22, 2013 [2][3]. The registered mark is described as a stylized “DNA” double-helix over a circular background [2].

The helix symbol has since become the unifying brand element across Sonic’s global operations. DNALabs, a Sonic division in Australia, announced that it and other Sonic divisions and companies globally were adopting Sonic’s logo, described as “the unique red and blue helix,” to create a unified approach to branding [4]. The company stated that this unified branding enables people to recognize a Sonic Healthcare business wherever they see one and to associate it with the quality and medical excellence the organization stands for [4].

In the United States, subsidiary Sonic Healthcare USA, Inc. has filed trademark applications for marks that combine the same stylized DNA double-helix over a circular background with the company’s name. These applications claim red, white and blue as features of the mark [5]. Related marks for U.S. operating divisions, such as Clinical Pathology Laboratories and WestPac Labs, similarly describe a stylized red and white DNA double helix over a blue circular background with blue lettering [6][7].

Meaning and Symbolism

The DNA double-helix motif directly references Sonic Healthcare’s core business in laboratory medicine and pathology [1]. The company’s own communications describe the red and blue helix as “unique” and “recognisable all around the world,” and tie the unified branding to the quality and medical excellence of the organization [4]. No official source documents additional symbolic meaning for the colors or the circular background.

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

7 colors

  • #004B8DBlue, 70%

    RGB 0, 75, 141; CMYK 100, 47, 0, 45

    White text 8.8:1 (passes AA)

  • #E31837Red, 15%

    RGB 227, 24, 55; CMYK 0, 89, 76, 11

    White text 4.7:1 (passes AA)

  • #6E9EC3Blue, 4.5%

    RGB 110, 158, 195; CMYK 44, 19, 0, 24

    Black text 7.3:1 (passes AA)

  • #F78493Pink, 2.9%

    RGB 247, 132, 147; CMYK 0, 47, 40, 3

    Black text 8.7:1 (passes AA)

  • #2874AABlue, 2.8%

    RGB 40, 116, 170; CMYK 76, 32, 0, 33

    White text 5.0:1 (passes AA)

  • #FB596DRed, 2.7%

    RGB 251, 89, 109; CMYK 0, 65, 57, 2

    Black text 6.8:1 (passes AA)

  • #D2A8BAPink, 2.6%

    RGB 210, 168, 186; CMYK 0, 20, 11, 18

    Black text 10.1:1 (passes AA)

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Backgrounds and sizes

Contrast and color difference

Compared with Healthcare

191 measured Healthcare logos

Only 17% of Healthcare logos in the archive use four or more colors.

  • Main color blue40%
  • Combination mark63%
  • Four or more colors17%

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

Structure

Logo type
Combination markClassified by AI
Proportions
5.4 : 1Horizontal
Ink coverage
24%76% empty space inside the outline
Symmetry
Asymmetric11% left-right match
Outline
Free-formOverall silhouette
Complexity
Detailed25 shapes, about 579 points

Tints and shades

Click a step to copy

#004B8D

#E31837

#6E9EC3

Typography

Lettering style: Serif, uppercase.

This is a style class, not the exact font. The font has not been documented.

Free fonts in this style: EB Garamond, Libre Caslon Text, Playfair Display

Visual description

Classified by AI

Symbol shows
Double helix DNA strand
Style
Flat, minimal, corporate
Layout
Symbol left of the name
Techniques
Line art
Text in the logo
SONIC HEALTHCARE

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