Baltimore Aquarium logo shows blue and white fish arranged in a circle.
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Baltimore Aquarium

The National Aquarium is a nonprofit public aquarium on Baltimore's Inner Harbor. Its visual identity was created by Chermayeff & Geismar, with the original trademark made in 1979 and updated in 2017.

The National Aquarium, located on Baltimore’s Inner Harbor, is a nonprofit public aquarium known for its extensive exhibits and conservation work. Its visual identity was created by the renowned design firm Chermayeff & Geismar (now Chermayeff & Geismar & Haviv), which lists the National Aquarium in Baltimore among its logo and identity system projects.[1]

Design and History

The firm’s relationship with the aquarium, originally named the Baltimore Aquarium, spanned more than two decades. The initial assignment was to design a graphic identity for the new institution, including its logo, exhibition graphics and interior murals.[2] The goal was to create a distinctive and memorable identity expressing the interconnection between marine life and the environment.[2]

The original trademark was created in 1979 by Chermayeff and Geismar.[3] In 2017, the logo underwent minor changes to its color and typeface.[3] The updated color palette incorporated more blue-greens compared to the older palette, which used brighter blues.[3]

Meaning and Symbolism

The symbol suggests an interconnected topographic form created by combining fish and wave graphics.[2] This imagery was intended to express the relationship between marine life and its environment, a central theme of the aquarium’s mission.[2]

Typography and Design

The original 1979 trademark utilized the Gotham typeface.[3] During the 2017 refresh, the typeface was updated to Mrs Eaves.[3]

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

Single color.

  • #0094D9Blue, 100%

    RGB 0, 148, 217; CMYK 100, 32, 0, 15

    Black text 6.2:1 (passes AA)

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Backgrounds and sizes

Contrast and color difference

Compared with Entertainment

377 measured Entertainment logos

Only 3% of Entertainment logos in the archive are symbols.

  • Main color blue16%
  • Symbol3%
  • Single color48%
  • Most common main color here: black47%

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

Structure

Logo type
SymbolClassified by AI
Proportions
1.0 : 1Roughly square
Ink coverage
44%56% empty space inside the outline
Symmetry
Asymmetric54% left-right match
Outline
Free-formOverall silhouette
Complexity
Moderate11 shapes, about 173 points

Tints and shades

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#0094D9

Typography

  • Gotham named in the article above

Visual description

Classified by AI

Symbol shows
Fish forming a circle
Style
Geometric, flat, minimal
Layout
Symbol on its own
Techniques
Negative space, geometric construction

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