diff --git a/frontend/src/components/UploadCard/UploadCard.jsx b/frontend/src/components/UploadCard/UploadCard.jsx
index a5062808..14177ff0 100644
--- a/frontend/src/components/UploadCard/UploadCard.jsx
+++ b/frontend/src/components/UploadCard/UploadCard.jsx
@@ -253,7 +253,7 @@ const handleDrop = (e) => {
                 onClick={handleUpload}
                 disabled={uploading || !hasSelectedFiles}
                 sx={{
-                  background: "#8B5CF6",
+                  background: "#6D28D9",
                   color: "#fff",
 
                   borderRadius: "14px",
diff --git a/frontend/src/pages/Login.jsx b/frontend/src/pages/Login.jsx
index 9d0462ff..ef71b3b9 100644
--- a/frontend/src/pages/Login.jsx
+++ b/frontend/src/pages/Login.jsx
@@ -109,7 +109,7 @@ const Login = () => {
             mt: 4,
             py: 1.5,
             borderRadius: "14px",
-            background: "#7C4DFF",
+            background: "#6D28D9",
             textTransform: "none",
             fontSize: "16px",
             fontWeight: 700,
diff --git a/frontend/src/pages/Signup.jsx b/frontend/src/pages/Signup.jsx
index efe52054..b095ec7f 100644
--- a/frontend/src/pages/Signup.jsx
+++ b/frontend/src/pages/Signup.jsx
@@ -131,7 +131,7 @@ const Signup = () => {
             mt: 4,
             py: 1.5,
             borderRadius: "14px",
-            background: "#7C4DFF",
+            background: "#6D28D9",
             textTransform: "none",
             fontSize: "16px",
             fontWeight: 700,