diff --git a/pep_sphinx_extensions/pep_theme/static/style.css b/pep_sphinx_extensions/pep_theme/static/style.css
index b761d0d24..999e638e0 100644
--- a/pep_sphinx_extensions/pep_theme/static/style.css
+++ b/pep_sphinx_extensions/pep_theme/static/style.css
@@ -32,7 +32,7 @@
 
 /* Set master colours */
 :root {
-    --colour-background: var(--light, white) var(--dark, #011);
+    --colour-background: var(--light, white) var(--dark, #111);
     --colour-background-accent-strong: var(--light, #ccc) var(--dark, #444);
     --colour-background-accent-medium: var(--light, #ddd) var(--dark, #333);
     --colour-background-accent-light: var(--light, #eee) var(--dark, #222);