Crown Castle logo with interlocking gray CC symbol and purple uppercase wordmark.
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Crown Castle

Crown Castle is a Houston-based real estate investment trust and provider of shared communications infrastructure in the United States. Its current logo was developed by the New York design agency Sullivan NYC in 2015.

Crown Castle is a Houston-based real estate investment trust and provider of shared communications infrastructure in the United States, with a network that includes approximately 40,000 cell towers and tens of thousands of route miles of fiber.[1] The company was founded in Houston in 1994 with a portfolio of 133 cell towers and became a REIT in 2014.[1]

Design and History

The current Crown Castle logo was developed by the New York design agency Sullivan NYC in 2015.[2] The mark consists of the stylized letters “CC” in grey and black text with “CROWN CASTLE” in purple text to the right.[3] Grey, black, and purple are claimed as features of the mark in the trademark registration.[3]

The “CC CROWN CASTLE” trademark was filed on May 1, 2014, by Crown Castle Investment II Corp., with a first use date of October 17, 2014, and was registered on February 23, 2016.[4] A separate trademark application for the same mark was filed in December 2023 without a color claim, covering stationery and dinnerware items.[5]

Meaning and Symbolism

The “CC” monogram and crown reference in the wordmark directly connect to the company name. Crown Castle’s internal brand guidelines describe the logo as the “masterbrand,” with the company deliberately avoiding sub-brand logos to protect brand integrity.[2] When internal programs or partnerships require a distinct identity, Crown Castle’s creative team creates wordmarks using the corporate brand font and colors rather than new logo designs.[2]

Typography and Design

Brand asset databases list the corporate color palette as including a purple tone and a grey tone identified as “Shuttle Gray” with the hex code #5A6771.[6] The logo system is built around the “CC” monogram and wordmark, with internal guidelines requiring that any additional marks use the corporate brand font and colors to remain consistent with the masterbrand.[2]

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 01/10/2026.

Colors

2 colors

  • #5A6771Grey, 57%

    RGB 90, 103, 113; CMYK 20, 9, 0, 56

    White text 5.8:1 (passes AA)

  • #520B90Purple, 43%

    RGB 82, 11, 144; CMYK 43, 92, 0, 44

    White text 11.6:1 (passes AA)

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Backgrounds and sizes

Contrast and color difference

Compared with Telecom

225 measured Telecom logos

Only 6% of Telecom logos in the archive use grey as the main color.

  • Main color grey6%
  • Combination mark57%
  • 2 colors31%
  • Most common main color here: blue30%

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

Structure

Logo type
Combination markClassified by AI
Proportions
3.6 : 1Horizontal
Ink coverage
27%74% empty space inside the outline
Symmetry
Asymmetric13% left-right match
Outline
Free-formOverall silhouette
Complexity
Moderate2 shapes, about 415 points

Tints and shades

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#5A6771

#520B90

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
Interlocking letters C
Style
Geometric, flat, minimal
Layout
Symbol left of the name
Techniques
Monogram, letter used as symbol, geometric construction
Text in the logo
CROWN CASTLE

More grey Telecom logos

Same main color, same industry

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