diff --git a/src/features/SignInPage/SignInPage.tsx b/src/features/SignInPage/SignInPage.tsx
index 076b6bf..8cedf4f 100644
--- a/src/features/SignInPage/SignInPage.tsx
+++ b/src/features/SignInPage/SignInPage.tsx
@@ -99,7 +99,7 @@ const SignInPage = () => {
               <Button
                 disabled={isSubmitting}
                 variant="contained"
-                color="primary"
+                color="secondary"
                 type="submit"
               >
                 Zaloguj się
diff --git a/src/libs/material-ui/createTheme.ts b/src/libs/material-ui/createTheme.ts
index 47bf1e1..581c9f0 100644
--- a/src/libs/material-ui/createTheme.ts
+++ b/src/libs/material-ui/createTheme.ts
@@ -3,10 +3,19 @@ import {
   responsiveFontSizes,
   Theme,
 } from '@material-ui/core/styles';
+import { blue, pink } from '@material-ui/core/colors';
 
 const createTheme = (): Theme => {
   return responsiveFontSizes(
     createMuiTheme({
+      palette: {
+        primary: {
+          main: blue['A200'],
+        },
+        secondary: {
+          main: pink['A200'],
+        },
+      },
       overrides: {
         MuiTableContainer: {
           root: {