diff --git a/scripts/render-og-goldens.tsx b/scripts/render-og-goldens.tsx
index 932e2644..fdb8d7ba 100644
--- a/scripts/render-og-goldens.tsx
+++ b/scripts/render-og-goldens.tsx
@@ -7,6 +7,7 @@ import { OgImage } from '../src/pages/_api/api/og-image'
 
 export const goldenCases = [
   { name: 'short-title', title: 'Tempo', section: 'BUILD', subsection: '' },
+  { name: 'blog-index-title', title: 'BLOG', section: 'BLOG', subsection: '' },
   {
     name: 'two-line-title',
     title: 'Introducing stable-bench-v1',
diff --git a/src/lib/og-goldens/blog-index-title.png b/src/lib/og-goldens/blog-index-title.png
new file mode 100644
index 00000000..e6d6cb9a
Binary files /dev/null and b/src/lib/og-goldens/blog-index-title.png differ
diff --git a/src/lib/og-sections.test.ts b/src/lib/og-sections.test.ts
index 163a3e46..51d21de7 100644
--- a/src/lib/og-sections.test.ts
+++ b/src/lib/og-sections.test.ts
@@ -77,4 +77,8 @@ describe('vocs.config ogImageUrl stays in sync with src/lib/og-sections', () =>
   it('omits the unused description param', () => {
     expect(ogImageUrl('/guide/payments/send-a-payment')).not.toContain('description')
   })
+
+  it('uses a clean all-caps title for the blog index thumbnail', () => {
+    expect(param(ogImageUrl('/blog'), 'title')).toBe('BLOG')
+  })
 })
diff --git a/vocs.config.ts b/vocs.config.ts
index 893f8be8..d18e738c 100644
--- a/vocs.config.ts
+++ b/vocs.config.ts
@@ -210,7 +210,12 @@ export default defineConfig({
       v: '3',
     }).toString()
 
-    return `${urlBase}/api/og?title=%title&${extra}`
+    // The HBSet display font's mixed-case "Blog" wordmark has awkward
+    // spacing at OG scale. Keep the page title sentence-cased, but use the
+    // cleaner all-caps treatment in the blog index thumbnail.
+    const imageTitle = docsPath === '/blog' ? 'BLOG' : '%title'
+
+    return `${urlBase}/api/og?title=${imageTitle}&${extra}`
   },
   openapi: [
     {