Langchain — Design Score: 85/100 (grade A)

langchain.com · 85/100 · grade A · top 22% of 313 measured design systems · measured live — not guessed

Strong visual hierarchy & contrast, but spacing grid breaks 33% of the time—rhythm feels incomplete.

This is a static, crawlable rendering for search & AI engines. The interactive version — filters, live decode console, copy & export — is at https://mozaika.design/score/langchain.com.

The four measured dimensions

Typography & Hierarchy: 87/100
Color & Contrast: 90/100
Spacing & Layout: 71/100
Motion & Polish: 88/100

What we measured

Typography & Hierarchy — type ladder rhythm: 1.75× · 2.00× · 1.14× (30.5/35)
Typography & Hierarchy — weight contrast: [300, 400] (spread 100) (11.4/20)
Typography & Hierarchy — body line-height: 1.38 (15.0/15)
Typography & Hierarchy — heading line-height: 1.11 (10.0/10)
Typography & Hierarchy — size discipline: 4 (20.0/20)
Color & Contrast — body text contrast (WCAG): 16.00:1 (30.0/30)
Color & Contrast — primary button contrast: 17.97:1 (10.0/10)
Color & Contrast — accent discipline: 2 (20.0/20)
Color & Contrast — surface coverage: 85% dominant (20.0/20)
Color & Contrast — scheme consistency: dark (10.0/20)
Spacing & Layout — spacing grid: 4px grid · 76% confidence (26.6/35)
Spacing & Layout — grid adherence: 8/12 on 4px (16.7/25)
Spacing & Layout — structure & responsive: 2 breakpoints (15.0/15)
Motion & Polish — motion tokens: 300ms dominant (25.0/25)
Motion & Polish — choreography: 0 reveal candidates (10.0/20)

Every line above is read from the live DOM — the exact contrast ratio, the detected spacing grid, the forced hover states — not an AI's guess from a screenshot.

Top fixes

Enforce spacing grid compliance across all containers & gutters
Add visible weight contrast between body & heading tiers
Add scroll-triggered or page-load reveal animations to key sections

The comprehensive report — every fix with why + the exact how-to — is part of Mozaika Pro.

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An automated measurement of Langchain's publicly-visible design (color, type, spacing, motion) — not affiliated with langchain.com. Removal requests: hello@mozaika.design.