diff --git a/packages/lexical/src/nodes/LexicalParagraphNode.ts b/packages/lexical/src/nodes/LexicalParagraphNode.ts
index e13e6c41efb..a23d68914fb 100644
--- a/packages/lexical/src/nodes/LexicalParagraphNode.ts
+++ b/packages/lexical/src/nodes/LexicalParagraphNode.ts
@@ -120,11 +120,7 @@ export class ParagraphNode extends ElementNode {
         element.dir = direction;
       }
       const indent = this.getIndent();
-      if (indent > 0) {
-        // padding-inline-start is not widely supported in email HTML, but
-        // Lexical Reconciler uses padding-inline-start. Using text-indent instead.
-        element.style.textIndent = `${indent * 20}px`;
-      }
+      setElementIndent(element, indent, editor._config.theme.indent);
     }
 
     return {
@@ -194,7 +190,9 @@ function $convertParagraphElement(element: HTMLElement): DOMConversionOutput {
   const node = $createParagraphNode();
   if (element.style) {
     node.setFormat(element.style.textAlign as ElementFormatType);
-    const indent = parseInt(element.style.textIndent, 10) / 20;
+
+    //  TODO: leverage theme indent class or default 40 ?
+    const indent = parseInt(element.style.textIndent, 10) / 40;
     if (indent > 0) {
       node.setIndent(indent);
     }
@@ -211,3 +209,31 @@ export function $isParagraphNode(
 ): node is ParagraphNode {
   return node instanceof ParagraphNode;
 }
+
+const DEFAULT_INDENT_VALUE = '40px';
+
+function setElementIndent(
+  dom: HTMLElement,
+  indent: number,
+  indentClassName?: string,
+): void {
+  if (indent < 1) {
+    return;
+  }
+
+  if (typeof indentClassName === 'string') {
+    dom.classList.add(indentClassName);
+  }
+
+  const indentationBaseValue =
+    window
+      .getComputedStyle(dom)
+      .getPropertyValue('--lexical-indent-base-value') || DEFAULT_INDENT_VALUE;
+
+  dom.style.setProperty(
+    // padding-inline-start is not widely supported in email HTML, but
+    // Lexical Reconciler uses padding-inline-start. Using text-indent instead.
+    'text-indent',
+    `${indent * parseInt(indentationBaseValue, 10)}px`,
+  );
+}