Brno Biennial logo with a geometric letter B formed by parallel lines.
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Brno Biennial

The Brno Biennial, formally the International Biennial of Graphic Design Brno, is one of Europe's earliest design biennials, established in 1963 and first held in 1964. Its original logo by Czech graphic artist Jiří Hadlač is a mark built from concentric lines forming the letter B.

The Brno Biennial, formally the International Biennial of Graphic Design Brno, is one of Europe’s earliest design biennials, established in 1963 and first held in 1964.[1] Its original logo, designed by Czech graphic artist Jiří Hadlač (1927–1991), is a mark built from concentric lines forming the letter “B”.[1][2]

Design and History

The first edition of the biennial, held in 1964 as the Czechoslovak exhibition of poster and promotional graphics, was accompanied by a poster designed by Jiří Hadlač.[3] The Library of Congress holds a copy of this 1964 poster, catalogued as “Československý plakát a propagačni grafika: bienale uzite grafiky Brno” and credited to Hadlač.[4] The Moravian Gallery in Brno also holds the poster in its collection, dated 1964.[5]

The concentric “B” mark proved durable. In 2008, American designer Abbott Miller of Pentagram used Hadlač’s original 1964 logo as the starting point for “Brno Echo,” a multimedia design exhibition held in conjunction with the 23rd International Biennial of Graphic Design Brno.[6] Miller built the exhibition’s identity directly from the “B” Hadlač designed for the original biennial identity, and the posters used that letterform to spell out the phrase “BRNO ECHO.”[6]

Meaning and Symbolism

The documented meaning of the logo is straightforward: it is a letter “B” formed by concentric lines, a visual motif that references the city of Brno.[1][2] The concentric line pattern was later explored by Miller as a form of “modern ornament” connecting disparate design movements, from the Wiener Werkstätte through Pop Art to contemporary retro-futurism.[6]

Typography and Design

Hadlač was a Czech painter, printmaker, and graphic artist active in Brno.[7] His 1964 poster for the first biennial was printed in color using offset lithography, measuring approximately 83 by 58 centimeters.[8] The poster is signed “Hadláč 64” in the upper right corner.[8]

Later editions of the biennial introduced new visual identities. A 2010 academic thesis by Zdeňka Jenišová analyzed the visual styles of three selected editions: the 2nd Biennial of Applied Graphics Brno in 1966, the 16th International Biennial of Graphic Design Brno in 1994, and the 23rd edition in 2008.[9] The thesis documents that each of these editions featured a distinct visual approach, though Hadlač’s original mark remained the historical reference point for the biennial’s identity.[9]

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Logo data

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

Colors

Pure black, single color.

  • #000000Black, 100%

    RGB 0, 0, 0; CMYK 0, 0, 0, 100

    White text 21.0:1 (passes AA)

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Backgrounds and sizes

Contrast and color difference

Compared with Entertainment

377 measured Entertainment logos

Only 7% of Entertainment logos in the archive are lettermarks.

  • Main color black47%
  • Lettermark7%
  • Single color48%

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

Structure

Logo type
LettermarkClassified by AI
Proportions
1.5 : 1Horizontal
Ink coverage
54%46% empty space inside the outline
Symmetry
Nearly symmetric75% left-right match
Outline
RectangularOverall silhouette
Complexity
Moderate5 shapes, about 311 points

Typography

Lettering style: Geometric sans, uppercase.

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

Free fonts in this style: Montserrat, Outfit, Urbanist

Visual description

Classified by AI

Symbol shows
Letter B
Style
Geometric, minimal, flat
Layout
Symbol on its own
Techniques
Geometric construction, line art

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