diff --git a/src/theme/_dark_blue_accent.scss b/src/theme/_dark_blue_accent.scss
index 2e2657c..4f19975 100644
--- a/src/theme/_dark_blue_accent.scss
+++ b/src/theme/_dark_blue_accent.scss
@@ -44,6 +44,11 @@
   --in-content-accent-color: var(--blue-40) !important;
   --in-content-accent-color-active: var(--blue-30) !important;
 
+  --in-content-table-background: rgb(35, 34, 43) !important;
+  --in-content-table-border-color: rgba(249,249,250,0.2) !important;
+  --in-content-table-header-background: rgb(5, 64, 150) !important;
+  --in-content-table-header-color: var(--in-content-page-color) !important;
+
   --in-content-link-color: var(--blue-40) !important;
   --in-content-link-color-hover: var(--blue-30) !important;
   --in-content-link-color-active: var(--blue-20) !important;
diff --git a/src/theme/_proton_color.scss b/src/theme/_proton_color.scss
index 28b40bb..cd69e70 100644
--- a/src/theme/_proton_color.scss
+++ b/src/theme/_proton_color.scss
@@ -49,6 +49,7 @@
 
   --in-content-table-background: #f8f8fa;
   --in-content-table-border-color: var(--in-content-box-border-color); /* Legacy: #d1d1d1; rgba(249, 249, 250, 0.2) */
+  --in-content-table-border-dark-color: var(--in-content-table-border-color);
   --in-content-table-header-background: var(
     --in-content-primary-button-background
   ); /* Legacy: #0a84ff; rgb(5, 64, 150); */
diff --git a/userChrome.css b/userChrome.css
index 987456a..9bff886 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -984,6 +984,7 @@
     --in-content-table-background: #f8f8fa;
     --in-content-table-border-color: var(--in-content-box-border-color);
     /* Legacy: #d1d1d1; rgba(249, 249, 250, 0.2) */
+    --in-content-table-border-dark-color: var(--in-content-table-border-color);
     --in-content-table-header-background: var(--in-content-primary-button-background);
     /* Legacy: #0a84ff; rgb(5, 64, 150); */
     --in-content-table-header-color: var(--in-content-primary-button-text-color);
@@ -1128,6 +1129,10 @@
         --in-content-focus-outline-color: var(--blue-40) !important;
         --in-content-accent-color: var(--blue-40) !important;
         --in-content-accent-color-active: var(--blue-30) !important;
+        --in-content-table-background: rgb(35, 34, 43) !important;
+        --in-content-table-border-color: rgba(249, 249, 250, 0.2) !important;
+        --in-content-table-header-background: rgb(5, 64, 150) !important;
+        --in-content-table-header-color: var(--in-content-page-color) !important;
         --in-content-link-color: var(--blue-40) !important;
         --in-content-link-color-hover: var(--blue-30) !important;
         --in-content-link-color-active: var(--blue-20) !important;
diff --git a/userContent.css b/userContent.css
index e4b98ab..3f8358d 100644
--- a/userContent.css
+++ b/userContent.css
@@ -578,6 +578,7 @@
     --in-content-table-background: #f8f8fa;
     --in-content-table-border-color: var(--in-content-box-border-color);
     /* Legacy: #d1d1d1; rgba(249, 249, 250, 0.2) */
+    --in-content-table-border-dark-color: var(--in-content-table-border-color);
     --in-content-table-header-background: var(--in-content-primary-button-background);
     /* Legacy: #0a84ff; rgb(5, 64, 150); */
     --in-content-table-header-color: var(--in-content-primary-button-text-color);