diff --git a/src/qml/components/Calendar.qml b/src/qml/components/Calendar.qml
index 09dae8b..1afb97d 100644
--- a/src/qml/components/Calendar.qml
+++ b/src/qml/components/Calendar.qml
@@ -144,9 +144,20 @@ ColumnLayout {
 								y: daysSurface.hourHeight * startTime
 								height: (endTime - startTime) * daysSurface.hourHeight
 
+								Rectangle {
+									color: backend.getTagColor(modelData.tags[0])
+									anchors.top: parent.top
+									anchors.bottom: parent.bottom
+									anchors.left: parent.left
+									topLeftRadius: parent.radius
+									bottomLeftRadius: parent.radius
+									width: 6
+								}
+
 								ColumnLayout {
 									anchors.fill: parent
 									anchors.margins: 8
+									anchors.leftMargin: 12
 									AppText {
 										text: name
 									}