diff --git a/sphinx/util/console.py b/sphinx/util/console.py
index 08aad8ab1..98563f58e 100644
--- a/sphinx/util/console.py
+++ b/sphinx/util/console.py
@@ -132,9 +132,9 @@ _colors = [
     ('lightgray', 'white'),
 ]
 
-for i, (dark, light) in enumerate(_colors):
-    codes[dark] = '\x1b[%im' % (i + 30)
-    codes[light] = '\x1b[%i;01m' % (i + 30)
+for i, (dark, light) in enumerate(_colors, 30):
+    codes[dark] = '\x1b[%im' % i
+    codes[light] = '\x1b[%im' % (i + 60)
 
 _orig_codes = codes.copy()