diff --git a/lookandfeel/contents/components/ActionButton.qml b/lookandfeel/contents/components/ActionButton.qml
--- a/lookandfeel/contents/components/ActionButton.qml
+++ b/lookandfeel/contents/components/ActionButton.qml
@@ -48,10 +48,10 @@
         colorGroup: PlasmaCore.ColorScope.colorGroup
         active: mouseArea.containsMouse || root.activeFocus
     }
-    
+
     PlasmaComponents.Label {
         id: label
-        font.pointSize: 11
+        font.pointSize: theme.defaultFont.pointSize + 1
         anchors {
             top: icon.bottom
             topMargin: units.smallSpacing
diff --git a/lookandfeel/contents/components/UserDelegate.qml b/lookandfeel/contents/components/UserDelegate.qml
--- a/lookandfeel/contents/components/UserDelegate.qml
+++ b/lookandfeel/contents/components/UserDelegate.qml
@@ -175,7 +175,7 @@
 
     PlasmaComponents.Label {
         id: usernameDelegate
-        font.pointSize: 12
+        font.pointSize: theme.defaultFont.pointSize + 2
         anchors {
             bottom: parent.bottom
             horizontalCenter: parent.horizontalCenter
diff --git a/lookandfeel/contents/lockscreen/MainBlock.qml b/lookandfeel/contents/lockscreen/MainBlock.qml
--- a/lookandfeel/contents/lockscreen/MainBlock.qml
+++ b/lookandfeel/contents/lockscreen/MainBlock.qml
@@ -53,7 +53,7 @@
 
     PlasmaComponents.TextField {
         id: passwordBox
-        font.pointSize: 11
+        font.pointSize: theme.defaultFont.pointSize + 1
         Layout.fillWidth: true
 
         placeholderText: i18nd("plasma_lookandfeel_org.kde.lookandfeel", "Password")
@@ -93,7 +93,7 @@
 
     PlasmaComponents.Button {
         id: loginButton
-        font.pointSize: 11
+        font.pointSize: theme.defaultFont.pointSize + 1
         Layout.fillWidth: true
 
         text: i18nd("plasma_lookandfeel_org.kde.lookandfeel", "Unlock")
diff --git a/lookandfeel/contents/logout/Logout.qml b/lookandfeel/contents/logout/Logout.qml
--- a/lookandfeel/contents/logout/Logout.qml
+++ b/lookandfeel/contents/logout/Logout.qml
@@ -141,7 +141,7 @@
         width: Math.max(implicitWidth, units.gridUnit * 16)
 
         PlasmaComponents.Label {
-            font.pointSize: 11
+            font.pointSize: theme.defaultFont.pointSize + 1
             Layout.maximumWidth: units.gridUnit * 16
             Layout.alignment: Qt.AlignHCenter
             Layout.fillWidth: true
@@ -209,7 +209,7 @@
         }
 
         PlasmaComponents.Label {
-            font.pointSize: 11
+            font.pointSize: theme.defaultFont.pointSize + 1
             Layout.alignment: Qt.AlignHCenter
             //opacity, as visible would re-layout
             opacity: countDownTimer.running ? 1 : 0
@@ -234,13 +234,13 @@
         RowLayout {
             Layout.alignment: Qt.AlignHCenter
             PlasmaComponents.Button {
-                font.pointSize: 11
+                font.pointSize: theme.defaultFont.pointSize + 1
                 enabled: root.currentAction != null
                 text: i18nd("plasma_lookandfeel_org.kde.lookandfeel", "OK")
                 onClicked: root.currentAction()
             }
             PlasmaComponents.Button {
-                font.pointSize: 11
+                font.pointSize: theme.defaultFont.pointSize + 1
                 text: i18nd("plasma_lookandfeel_org.kde.lookandfeel", "Cancel")
                 onClicked: root.cancelRequested()
             }
diff --git a/sddm-theme/Login.qml b/sddm-theme/Login.qml
--- a/sddm-theme/Login.qml
+++ b/sddm-theme/Login.qml
@@ -44,7 +44,7 @@
 
     PlasmaComponents.TextField {
         id: userNameInput
-        font.pointSize: 11
+        font.pointSize: theme.defaultFont.pointSize + 1
         Layout.fillWidth: true
 
         text: lastUserName
@@ -60,7 +60,7 @@
 
     PlasmaComponents.TextField {
         id: passwordBox
-        font.pointSize: 11
+        font.pointSize: theme.defaultFont.pointSize + 1
         Layout.fillWidth: true
 
         placeholderText: i18nd("plasma_lookandfeel_org.kde.lookandfeel", "Password")
@@ -101,7 +101,7 @@
     }
     PlasmaComponents.Button {
         id: loginButton
-        font.pointSize: 11
+        font.pointSize: theme.defaultFont.pointSize + 1
         Layout.fillWidth: true
 
         text: i18nd("plasma_lookandfeel_org.kde.lookandfeel", "Log In")