diff --git a/R/font.R b/R/font.R
index 5da1d750..2cabf477 100644
--- a/R/font.R
+++ b/R/font.R
@@ -15,7 +15,7 @@ Font <- R6::R6Class(
     fontFamily = "",
     fontFace = "plain",
     angle = 0,
-    align = "left",
+    align = "center",
 
     #' @description Create a new `Font` object.
     #' Default font properties are defined directly in the object field,
diff --git a/R/themes.R b/R/themes.R
index 3e95b58a..eda3280a 100644
--- a/R/themes.R
+++ b/R/themes.R
@@ -56,7 +56,7 @@ ThemeFont <- R6::R6Class(
                           baseFace = "plain",
                           baseFamily = "",
                           baseAngle = 0,
-                          baseAlign = "left") {
+                          baseAlign = "center") {
       # Validate necessary input
       validateIsString(baseColor)
       validateIsString(baseFamily)
diff --git a/inst/themes/dark-theme.json b/inst/themes/dark-theme.json
index 18b8794b..bcf6f535 100644
--- a/inst/themes/dark-theme.json
+++ b/inst/themes/dark-theme.json
@@ -5,14 +5,16 @@
       "size": 14,
       "fontFace": "bold",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "center"
     },
     "subtitle": {
       "color": "#BDBDBD",
       "size": 11,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "center"
     },
     "xlabel": {
       "color": "#BDBDBD",
@@ -35,14 +37,24 @@
       "size": 18,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 30
+      "angle": 30,
+      "align": "center"
     },
     "legend": {
       "color": "#BDBDBD",
       "size": 10,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "left"
+    },
+    "legendTitle": {
+      "color": "black",
+      "size": 14,
+      "fontFace": "plain",
+      "fontFamily": "",
+      "angle": 0,
+      "align": "center"
     },
     "xAxis": {
       "color": "#BDBDBD",
diff --git a/inst/themes/excel-theme.json b/inst/themes/excel-theme.json
index ab847b83..2f35a19d 100644
--- a/inst/themes/excel-theme.json
+++ b/inst/themes/excel-theme.json
@@ -5,14 +5,16 @@
       "size": 12,
       "fontFace": "bold",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "center"
     },
     "subtitle": {
       "color": "#595959",
       "size": 12,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "center"
     },
     "xlabel": {
       "color": "#595959",
@@ -35,14 +37,24 @@
       "size": 40,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 30
+      "angle": 30,
+      "align": "center"
     },
     "legend": {
       "color": "#595959",
       "size": 9,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "left"
+    },
+    "legendTitle": {
+      "color": "black",
+      "size": 9,
+      "fontFace": "plain",
+      "fontFamily": "",
+      "angle": 0,
+      "align": "center"
     },
     "xAxis": {
       "color": "#595959",
diff --git a/inst/themes/hc-theme.json b/inst/themes/hc-theme.json
index 0aa14c07..f26fd0bf 100644
--- a/inst/themes/hc-theme.json
+++ b/inst/themes/hc-theme.json
@@ -5,14 +5,16 @@
       "size": 12,
       "fontFace": "bold",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "center"
     },
     "subtitle": {
       "color": "#707073",
       "size": 12,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "center"
     },
     "xlabel": {
       "color": "#707073",
@@ -35,14 +37,24 @@
       "size": 40,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 30
+      "angle": 30,
+      "align": "center"
     },
     "legend": {
       "color": "#707073",
       "size": 10,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "left"
+    },
+    "legendTitle": {
+      "color": "black",
+      "size": 14,
+      "fontFace": "plain",
+      "fontFamily": "",
+      "angle": 0,
+      "align": "center"
     },
     "xAxis": {
       "color": "#707073",
diff --git a/inst/themes/matlab-theme.json b/inst/themes/matlab-theme.json
index 5d262fbf..50d1d4b1 100644
--- a/inst/themes/matlab-theme.json
+++ b/inst/themes/matlab-theme.json
@@ -5,14 +5,16 @@
       "size": 12,
       "fontFace": "bold",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "center"
     },
     "subtitle": {
       "color": "black",
       "size": 11,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "center"
     },
     "xlabel": {
       "color": "black",
@@ -42,7 +44,16 @@
       "size": 8,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "left"
+    },
+    "legendTitle": {
+      "color": "black",
+      "size": 14,
+      "fontFace": "plain",
+      "fontFamily": "",
+      "angle": 0,
+      "align": "center"
     },
     "xAxis": {
       "color": "black",
diff --git a/inst/themes/minimal-theme.json b/inst/themes/minimal-theme.json
index 0a7bdfe4..fd0c1297 100644
--- a/inst/themes/minimal-theme.json
+++ b/inst/themes/minimal-theme.json
@@ -5,14 +5,16 @@
       "size": 12,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "center"
     },
     "subtitle": {
       "color": "grey20",
       "size": 10,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "center"
     },
     "xlabel": {
       "color": "grey20",
@@ -35,14 +37,24 @@
       "size": 12,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 30
+      "angle": 30,
+      "align": "center"
     },
     "legend": {
       "color": "grey20",
       "size": 10,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "left"
+    },
+    "legendTitle": {
+      "color": "black",
+      "size": 14,
+      "fontFace": "plain",
+      "fontFamily": "",
+      "angle": 0,
+      "align": "center"
     },
     "xAxis": {
       "color": "grey20",
diff --git a/inst/themes/template-theme.json b/inst/themes/template-theme.json
index fb5fd74e..324ec521 100644
--- a/inst/themes/template-theme.json
+++ b/inst/themes/template-theme.json
@@ -5,14 +5,16 @@
       "size": 16,
       "fontFace": "bold",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "center"
     },
     "subtitle": {
       "color": "black",
       "size": 12,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "center"
     },
     "xlabel": {
       "color": "black",
@@ -35,21 +37,24 @@
       "size": 12,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 30
+      "angle": 30,
+      "align": "center"
     },
     "legend": {
       "color": "black",
       "size": 14,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "left"
     },
     "legendTitle": {
       "color": "black",
       "size": 14,
       "fontFace": "plain",
       "fontFamily": "",
-      "angle": 0
+      "angle": 0,
+      "align": "center"
     },
     "xAxis": {
       "color": "black",
diff --git a/man/ThemeFont.Rd b/man/ThemeFont.Rd
index 52189ea9..8ff43323 100644
--- a/man/ThemeFont.Rd
+++ b/man/ThemeFont.Rd
@@ -58,7 +58,7 @@ Create a new \code{ThemeFont} object
   baseFace = "plain",
   baseFamily = "",
   baseAngle = 0,
-  baseAlign = "left"
+  baseAlign = "center"
 )}\if{html}{\out{</div>}}
 }