diff --git a/src/EditorView.swift b/src/EditorView.swift
index 09aba9d..e5cf9be 100644
--- a/src/EditorView.swift
+++ b/src/EditorView.swift
@@ -1206,6 +1206,21 @@ func applySyntaxHighlighting(to textStorage: NSTextStorage) {
 }
 
 private func highlightMarkdownLine(_ trimmed: String, line: String, lineRange: NSRange, textStorage: NSTextStorage, baseFont: NSFont, palette: CatppuccinPalette, isTableHeader: Bool = false) -> Bool {
+    if trimmed.hasPrefix("### ") {
+        let hashRange = (textStorage.string as NSString).range(of: "###", range: lineRange)
+        if hashRange.location != NSNotFound {
+            textStorage.addAttribute(.foregroundColor, value: palette.overlay0, range: hashRange)
+            let contentStart = hashRange.location + hashRange.length
+            let contentRange = NSRange(location: contentStart, length: NSMaxRange(lineRange) - contentStart)
+            if contentRange.length > 0 {
+                let h3Font = NSFont.systemFont(ofSize: 15, weight: .bold)
+                textStorage.addAttribute(.font, value: h3Font, range: contentRange)
+                textStorage.addAttribute(.foregroundColor, value: palette.text, range: contentRange)
+            }
+        }
+        return true
+    }
+
     if trimmed.hasPrefix("## ") {
         let hashRange = (textStorage.string as NSString).range(of: "##", range: lineRange)
         if hashRange.location != NSNotFound {