diff --git a/web/sidebar/community-picker.css b/web/sidebar/community-picker.css
--- a/web/sidebar/community-picker.css
+++ b/web/sidebar/community-picker.css
@@ -21,3 +21,12 @@
   color: var(--fg);
   padding: 0;
 }
+
+.settingsSelectedContainer {
+  display: flex;
+  justify-content: center;
+  width: 100%;
+  box-sizing: border-box;
+  border-left: 8px solid var(--community-settings-selected);
+  border-right: 8px solid transparent;
+}
diff --git a/web/sidebar/community-picker.react.js b/web/sidebar/community-picker.react.js
--- a/web/sidebar/community-picker.react.js
+++ b/web/sidebar/community-picker.react.js
@@ -1,9 +1,11 @@
 // @flow
 
+import classNames from 'classnames';
 import * as React from 'react';
 import { useDispatch } from 'react-redux';
 
 import Button from '../components/button.react';
+import { useSelector } from '../redux/redux-utils.js';
 import SWMansionIcon from '../SWMansionIcon.react';
 import { updateNavInfoActionType } from '../types/nav-types.js';
 import css from './community-picker.css';
@@ -22,13 +24,20 @@
     [dispatch],
   );
 
+  const isSettingsOpen = useSelector(state => state.navInfo.tab === 'settings');
+  const settingsButtonContainerClass = classNames({
+    [css.settingsSelectedContainer]: isSettingsOpen,
+  });
+
   return (
     <div className={css.container}>
       <SWMansionIcon icon="inbox" size={36} />
       <div className={css.spacer} />
-      <Button variant="round" onClick={openAccountSettings}>
-        <SWMansionIcon icon="settings" size={22} />
-      </Button>
+      <div className={settingsButtonContainerClass}>
+        <Button variant="round" onClick={openAccountSettings}>
+          <SWMansionIcon icon="settings" size={22} />
+        </Button>
+      </div>
     </div>
   );
 }
diff --git a/web/theme.css b/web/theme.css
--- a/web/theme.css
+++ b/web/theme.css
@@ -84,6 +84,7 @@
   --calendar-day-bg: var(--shades-black-60);
   --calendar-day-selected-color: var(--violet-dark-80);
   --community-bg: var(--shades-black-90);
+  --community-settings-selected: var(--violet-dark-60);
   --unread-bg: var(--error-primary);
   --settings-btn-bg: var(--violet-dark-100);
   --modal-bg: var(--shades-black-90);