diff --git a/app/authenticate/page.tsx b/app/authenticate/page.tsx
index d941f1a..42feb4b 100644
--- a/app/authenticate/page.tsx
+++ b/app/authenticate/page.tsx
@@ -65,7 +65,7 @@ function AuthForm() {
             type='email'
             required
             autoComplete='email'
-            className='w-full px-3 py-2 border border-border rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500'
+            className='w-full px-3 py-2 border border-border rounded-md focus:outline-none focus:ring-2 focus:ring-purple-500'
           />
         </div>
 
@@ -80,7 +80,7 @@ function AuthForm() {
             required
             minLength={8}
             autoComplete={mode === 'signup' ? 'new-password' : 'current-password'}
-            className='w-full px-3 py-2 border border-border rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500'
+            className='w-full px-3 py-2 border border-border rounded-md focus:outline-none focus:ring-2 focus:ring-purple-500'
           />
         </div>
 
@@ -93,7 +93,7 @@ function AuthForm() {
         <button
           type='submit'
           disabled={isPending}
-          className='w-full py-2 px-4 bg-blue-600 text-white rounded-md hover:bg-blue-700 disabled:opacity-50 disabled:cursor-not-allowed'
+          className='w-full py-2 px-4 bg-purple-600 text-white rounded-md hover:bg-purple-700 disabled:opacity-50 disabled:cursor-not-allowed'
         >
           {isPending ? 'Loading...' : mode === 'signup' ? 'Sign Up' : 'Sign In'}
         </button>
@@ -103,14 +103,14 @@ function AuthForm() {
         {mode === 'signup' ? (
           <>
             Already have an account?{' '}
-            <Link href='/authenticate?mode=login' className='text-blue-600 hover:underline'>
+            <Link href='/authenticate?mode=login' className='text-purple-600 hover:underline'>
               Sign in
             </Link>
           </>
         ) : (
           <>
             Don&apos;t have an account?{' '}
-            <Link href='/authenticate?mode=signup' className='text-blue-600 hover:underline'>
+            <Link href='/authenticate?mode=signup' className='text-purple-600 hover:underline'>
               Sign up
             </Link>
           </>
diff --git a/app/dashboard/page.tsx b/app/dashboard/page.tsx
index 7e7358a..e8854a8 100644
--- a/app/dashboard/page.tsx
+++ b/app/dashboard/page.tsx
@@ -32,7 +32,7 @@ export default async function Dashboard() {
         <h1 className='text-2xl font-bold'>Dashboard</h1>
         <Link
           href='/notes/new'
-          className='bg-blue-600 text-white px-4 py-2 rounded-lg hover:bg-blue-700'
+          className='bg-purple-600 text-white px-4 py-2 rounded-lg hover:bg-purple-700'
         >
           New Note
         </Link>
diff --git a/app/notes/[id]/edit/edit-note-form.tsx b/app/notes/[id]/edit/edit-note-form.tsx
index 66c005d..9ad0b2e 100644
--- a/app/notes/[id]/edit/edit-note-form.tsx
+++ b/app/notes/[id]/edit/edit-note-form.tsx
@@ -45,7 +45,7 @@ export function EditNoteForm({ note }: EditNoteFormProps) {
           name='title'
           required
           defaultValue={note.title}
-          className='w-full px-3 py-2 border border-border rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500'
+          className='w-full px-3 py-2 border border-border rounded-lg focus:outline-none focus:ring-2 focus:ring-purple-500'
           placeholder='Enter note title...'
         />
         {state?.error?.title && <p className='mt-1 text-sm text-red-600'>{state.error.title[0]}</p>}
@@ -67,7 +67,7 @@ export function EditNoteForm({ note }: EditNoteFormProps) {
       <button
         type='submit'
         disabled={isPending}
-        className='bg-blue-600 text-white px-6 py-2 rounded-lg hover:bg-blue-700 disabled:opacity-50 disabled:cursor-not-allowed'
+        className='bg-purple-600 text-white px-6 py-2 rounded-lg hover:bg-purple-700 disabled:opacity-50 disabled:cursor-not-allowed'
       >
         {isPending ? 'Saving...' : 'Save Changes'}
       </button>
diff --git a/app/notes/[id]/edit/page.tsx b/app/notes/[id]/edit/page.tsx
index 047de3e..88d62f9 100644
--- a/app/notes/[id]/edit/page.tsx
+++ b/app/notes/[id]/edit/page.tsx
@@ -37,7 +37,7 @@ export default async function EditNotePage({ params }: { params: Params }) {
 
   return (
     <div className='p-8 max-w-3xl mx-auto'>
-      <Link href={`/notes/${id}`} className='text-blue-600 hover:underline mb-4 inline-block'>
+      <Link href={`/notes/${id}`} className='text-purple-600 hover:underline mb-4 inline-block'>
         &larr; Back to Note
       </Link>
 
diff --git a/app/notes/[id]/note-actions.tsx b/app/notes/[id]/note-actions.tsx
index 871cb15..9a97274 100644
--- a/app/notes/[id]/note-actions.tsx
+++ b/app/notes/[id]/note-actions.tsx
@@ -16,7 +16,7 @@ export function NoteActions({ noteId }: NoteActionsProps) {
       <div className='flex gap-2'>
         <Link
           href={`/notes/${noteId}/edit`}
-          className='px-4 py-2 text-sm bg-blue-600 text-white rounded-lg hover:bg-blue-700'
+          className='px-4 py-2 text-sm bg-purple-600 text-white rounded-lg hover:bg-purple-700'
         >
           Edit
         </Link>
diff --git a/app/notes/[id]/page.tsx b/app/notes/[id]/page.tsx
index e461d89..79939b1 100644
--- a/app/notes/[id]/page.tsx
+++ b/app/notes/[id]/page.tsx
@@ -42,7 +42,7 @@ export default async function NoteViewer({ params }: { params: Params }) {
 
   return (
     <div className='p-8 max-w-3xl mx-auto'>
-      <Link href='/dashboard' className='text-blue-600 hover:underline mb-4 inline-block'>
+      <Link href='/dashboard' className='text-purple-600 hover:underline mb-4 inline-block'>
         &larr; Back to Dashboard
       </Link>
 
diff --git a/app/notes/new/new-note-form.tsx b/app/notes/new/new-note-form.tsx
index c34b359..284b9a9 100644
--- a/app/notes/new/new-note-form.tsx
+++ b/app/notes/new/new-note-form.tsx
@@ -34,7 +34,7 @@ export function NewNoteForm() {
           id='title'
           name='title'
           required
-          className='w-full px-3 py-2 border border-border rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500'
+          className='w-full px-3 py-2 border border-border rounded-lg focus:outline-none focus:ring-2 focus:ring-purple-500'
           placeholder='Enter note title...'
         />
         {state?.error?.title && <p className='mt-1 text-sm text-red-600'>{state.error.title[0]}</p>}
@@ -55,7 +55,7 @@ export function NewNoteForm() {
       <button
         type='submit'
         disabled={isPending}
-        className='bg-blue-600 text-white px-6 py-2 rounded-lg hover:bg-blue-700 disabled:opacity-50 disabled:cursor-not-allowed'
+        className='bg-purple-600 text-white px-6 py-2 rounded-lg hover:bg-purple-700 disabled:opacity-50 disabled:cursor-not-allowed'
       >
         {isPending ? 'Creating...' : 'Create Note'}
       </button>
diff --git a/components/rich-text-editor.tsx b/components/rich-text-editor.tsx
index 416abc5..7de87f0 100644
--- a/components/rich-text-editor.tsx
+++ b/components/rich-text-editor.tsx
@@ -116,7 +116,7 @@ export function RichTextEditor({ content, onUpdate }: RichTextEditorProps) {
     editorProps: {
       attributes: {
         class:
-          'min-h-[200px] p-4 border border-border rounded-t-none rounded-b-lg focus:outline-none focus:ring-2 focus:ring-blue-500',
+          'min-h-[200px] p-4 border border-border rounded-t-none rounded-b-lg focus:outline-none focus:ring-2 focus:ring-purple-500',
       },
     },
   });
diff --git a/components/share-toggle.tsx b/components/share-toggle.tsx
index ca23877..5ca46ad 100644
--- a/components/share-toggle.tsx
+++ b/components/share-toggle.tsx
@@ -74,7 +74,7 @@ export function ShareToggle({ noteId, initialIsPublic, initialSlug }: ShareToggl
           <button
             type='button'
             onClick={copyToClipboard}
-            className='px-4 py-2 bg-blue-600 text-white rounded text-sm hover:bg-blue-700 transition-colors'
+            className='px-4 py-2 bg-purple-600 text-white rounded text-sm hover:bg-purple-700 transition-colors'
           >
             {copied ? 'Copied!' : 'Copy'}
           </button>