diff --git a/frontend/src/ts/constants/themes.ts b/frontend/src/ts/constants/themes.ts
index d91bd48d5..f0e1d8655 100644
--- a/frontend/src/ts/constants/themes.ts
+++ b/frontend/src/ts/constants/themes.ts
@@ -1120,6 +1120,12 @@ export const themes: Record<ThemeName, Omit<Theme, "name">> = {
     subColor: "#067a6e",
     textColor: "#000000",
   },
+  oscura: {
+    bgColor: "#0b0b0f",
+    mainColor: "#e2e3a0",
+    subColor: "#a0a0a0",
+    textColor: "#e6e6e6",
+  },
 };
 
 export const ThemesList: Theme[] = Object.keys(themes)