diff --git a/runtime/themes/ataraxia.toml b/runtime/themes/ataraxia.toml
index d77a9ccea..6aad8f3f3 100644
--- a/runtime/themes/ataraxia.toml
+++ b/runtime/themes/ataraxia.toml
@@ -120,8 +120,8 @@ diagnostic = "cool-sky"
 
 "markup.heading.1" = "deep-grape"
 "markup.heading.2" = "muted-violet"
-"markup.heading.3" = "purple-gray"
-"markup.heading.4" = "deep-indigo"
+"markup.heading.3" = "orchid"
+"markup.heading.4" = "amethyst"
 "markup.heading.5" = "soft-blue"
 "markup.heading.6" = "cool-sky"
 "markup.heading.marker" = "ufo-green"