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Decagon

A light page, one blue accent, set in Circularxx and Circularxx Book.

decagon.ai
The home page of Decagon

The home page on 6 November 2026. Sites change; ask plagio for today's.

Pages

Colours

Each role is picked from where the colour is used and how much of the page it covers.

  • Background#ffffff

    What the page itself is painted on, 0.6% of painted area, 3 buttons, 1 link, 12% of colour uses.

  • Surface#f4f4f5

    The next neutral background, close in lightness to the page, 37% of painted area, 0.7% of colour uses.

  • Text#0a0a0b

    The strongest colour carrying body text, 19.79:1 on the background, 14% of painted area, 1 link, 26% of colour uses.

  • Muted text#6b6b76

    Secondary text, 5.26:1 on the background, 16% of colour uses.

  • Accent#5754ff

    The most colourful colour in use (chroma 0.67), 4.7% of painted area, 20 links, 7.4% of colour uses.

  • Border#d4d4d8

    A faint neutral line, 1.48:1 on the background, 8.4% of colour uses.

Also in use

  • #111111
  • #eaeaec
  • #303036
  • #4e4e56
  • #131313
  • #272591

Type

Circularxx, Circularxx Book, FK Grotesk Neue. The steps below are the sizes the page uses most, set in our font so you can compare them.

SampleFamilySizeWeightLine heightTracking
AaCircularxx140px300112pxnormal
AaCircularxx124px400124px-4.96px
AaCircularxx67.345px50067.345px-2.693px
AaCircularxx Book56.509px45062.16px-1.695px
AaCircularxx Book38.545px45046.254px-0.963px
AaCircularxx29.127px40034.952px-0.291px
AaFK Grotesk Neue24px40028.8pxnormal

Use Decagon's system on your site

Paste this into Claude Code, Cursor or any agent with plagio connected. It reads the site live, with spacing, radii, shadows and the states this page leaves out.

Use plagio's extract_brand on https://decagon.ai/, then restyle my site with its colours, type scale and spacing. Keep my content, layout and logo; take the system, not Decagon's copy.

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