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Designs claude.ai

What font does Claude use? Anthropic Sans and Anthropic Serif.

Claude's website sets its type in Anthropic Sans with Anthropic Serif headings, on a light #FFFFFF canvas with #000000 text and a #1757AC accent. Copy the palette and fonts, or a ready prompt to build something original in this style with Claude Code, Cursor, Lovable or v0.

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    Type and shape

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      prompt.md

      Claude fonts and type scale

      Claude's website sets body text in Anthropic Sans and headings in Anthropic Serif. Body text is 15px, section headings 23px and the largest display type 56px, at weight 330. If you can't use Anthropic Sans, ask your AI for the closest free match and keep the sizes and weights.

      Claude color codes

      Canvas#FFFFFFthe page background
      Surface#F9F9F9cards and raised areas
      Text#000000primary text
      Accent#1757ACbuttons, links and focus

      How do I build a site that looks like Claude with AI?

      Open the Prompt tab above, change its first line to what you are building, and paste it into Lovable, v0, Bolt, Claude Code or Cursor. For a whole project, install the Claude skill or the Cursor rule instead, so every screen keeps the style. Build something original: keep Claude's look, not its name, logo or copy.

      Measured from claude.ai's live page as a browser renders it, at 1440px wide, with the Siteprint extension's scanner, on 25 October 2026. Siteprint is not affiliated with Claude; names and trademarks belong to their owners.