Realtek logo with a blue circuit-patterned crab symbol beside the word REALTEK.
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Realtek

Realtek Semiconductor Corp. is a Taiwanese fabless IC design company founded in 1987 in Hsinchu Science Park. Its logo is a stylized dark blue crab with the letters RMC inside, adopted at the company's founding.

Country: Taiwan

Industry: Electronics

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Realtek Semiconductor Corp., the Taiwanese fabless IC design company founded in 1987, is widely recognized by its crab logo, a mark that has remained a constant part of its identity since the company’s founding. The logo is so distinctive that Realtek’s early network and audio cards were nicknamed “crab cards” by PC enthusiasts in Taiwan, a reference to the crab emblem printed on the hardware. [1]

Design and History

The crab was adopted as Realtek’s corporate symbol at the company’s founding in 1987, when seven engineers established the firm in Taiwan’s Hsinchu Science Park. [1] The choice was deliberate: though small, crabs are highly adaptable and can survive in a variety of environments, which the founders saw as an aspiration for the company in the competitive technology industry. [1]

The logo has remained essentially unchanged since its introduction. [2] It depicts a stylized crab in a dark, deep blue, with the letters “RMC” visible inside the crab’s body. [2] The “RMC” abbreviation is widely understood to reference the company’s original name, Realtek Microelectronics Corp., which was later changed to Realtek Semiconductor Corp. [3]

Meaning and Symbolism

Realtek’s official explanation of the crab symbol is documented on its corporate pages. The company states that it uses the crab as its corporate emblem in the hope of emulating the crab’s tenacious vitality, fearlessness, and courage to challenge in nature. [4] The company describes this spirit of facing hardship and danger without fear, and pursuing excellence in competition, as the best portrayal of its own self-motivation and perseverance. [4] An English-language version of this statement, used in Realtek’s corporate communications, summarizes the philosophy as: “Through strength, persistence, and adaptability, Realtek follows in the spirit of the crab.” [5]

Beyond the official symbolism, the logo’s construction has drawn commentary for its integration of electronic design elements. The crab’s legs have been described as resembling PCB (printed circuit board) traces, its eyes as PCB solder pads, and its claws as board-mounted antenna patterns, with the “R” and “L” on either side corresponding to the “Real” and “tek” portions of the brand name. [6] This interpretation, however, comes from third-party design commentary rather than official company documentation.

Typography and Design

The Realtek logo pairs the crab symbol with the company name “REALTEK” rendered in block letters. [2] The logo’s color is a dark, deep blue. [2] No official designer or agency attribution for the logo has been documented in available sources.

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Logo data

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

Colors

Single color.

  • #0078AFBlue, 100%

    RGB 0, 120, 175; CMYK 100, 31, 0, 31

    White text 4.9:1 (passes AA)

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Backgrounds and sizes

Contrast and color difference

Compared with Electronics

281 measured Electronics logos

  • Main color blue32%
  • Combination mark36%
  • Single color57%

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

Structure

Logo type
Combination markClassified by AI
Proportions
4.9 : 1Horizontal
Ink coverage
26%75% empty space inside the outline
Symmetry
Asymmetric26% left-right match
Outline
Free-formOverall silhouette
Complexity
Detailed7 shapes, about 537 points

Tints and shades

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#0078AF

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
Crab with circuit-like legs
Style
Geometric, flat, technical
Layout
Symbol left of the name
Techniques
Letter used as symbol, geometric construction, line art
Text in the logo
REALTEK

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