diff --git a/crates/ruff/resources/test/fixtures/flake8_pyi/PYI014.pyi b/crates/ruff/resources/test/fixtures/flake8_pyi/PYI014.pyi
index ad645dfb5d45b..1aed3543ef44c 100644
--- a/crates/ruff/resources/test/fixtures/flake8_pyi/PYI014.pyi
+++ b/crates/ruff/resources/test/fixtures/flake8_pyi/PYI014.pyi
@@ -43,3 +43,6 @@ def f21(
 def f22(
     x=-42.5j + 4.3j,  # Error PYI014
 ) -> None: ...
+def f23(
+  x=True,  # OK
+) -> None: ...
diff --git a/crates/ruff/src/rules/flake8_pyi/rules/simple_defaults.rs b/crates/ruff/src/rules/flake8_pyi/rules/simple_defaults.rs
index 14e213b32cb2f..ca8affdc63cb9 100644
--- a/crates/ruff/src/rules/flake8_pyi/rules/simple_defaults.rs
+++ b/crates/ruff/src/rules/flake8_pyi/rules/simple_defaults.rs
@@ -61,42 +61,59 @@ fn is_valid_default_value_with_annotation(default: &Expr, checker: &Checker) ->
             value: Constant::Bytes(..),
             ..
         } => return checker.locator.slice(default).len() <= 50,
+        // Ex) `123`, `True`, `False`, `3.14`
         ExprKind::Constant {
-            value: Constant::Int(..),
+            value: Constant::Int(..) | Constant::Bool(..) | Constant::Float(..),
             ..
         } => {
             return checker.locator.slice(default).len() <= 10;
         }
+        // Ex) `2j`
+        ExprKind::Constant {
+            value: Constant::Complex { real, .. },
+            ..
+        } => {
+            if *real == 0.0 {
+                return checker.locator.slice(default).len() <= 10;
+            }
+        }
         ExprKind::UnaryOp {
             op: Unaryop::USub,
             operand,
         } => {
+            // Ex) `-1`, `-3.14`
             if let ExprKind::Constant {
-                value: Constant::Int(..),
+                value: Constant::Int(..) | Constant::Float(..),
                 ..
             } = &operand.node
             {
                 return checker.locator.slice(operand).len() <= 10;
             }
+            // Ex) `-2j`
+            if let ExprKind::Constant {
+                value: Constant::Complex { real, .. },
+                ..
+            } = &operand.node
+            {
+                if *real == 0.0 {
+                    return checker.locator.slice(operand).len() <= 10;
+                }
+            }
         }
         ExprKind::BinOp {
             left,
             op: Operator::Add | Operator::Sub,
             right,
         } => {
-            // 1 + 2j
-            // 1 - 2j
-            // -1 - 2j
-            // -1 + 2j
+            // Ex) `1 + 2j`, `1 - 2j`, `-1 - 2j`, `-1 + 2j`
             if let ExprKind::Constant {
                 value: Constant::Complex { .. },
                 ..
             } = right.node
             {
-                // 1 + 2j
-                // 1 - 2j
+                // Ex) `1 + 2j`, `1 - 2j`
                 if let ExprKind::Constant {
-                    value: Constant::Int(..),
+                    value: Constant::Int(..) | Constant::Float(..),
                     ..
                 } = &left.node
                 {
@@ -106,10 +123,9 @@ fn is_valid_default_value_with_annotation(default: &Expr, checker: &Checker) ->
                     operand,
                 } = &left.node
                 {
-                    // -1 + 2j
-                    // -1 - 2j
+                    // Ex) `-1 + 2j`, `-1 - 2j`
                     if let ExprKind::Constant {
-                        value: Constant::Int(..),
+                        value: Constant::Int(..) | Constant::Float(..),
                         ..
                     } = &operand.node
                     {
@@ -118,7 +134,7 @@ fn is_valid_default_value_with_annotation(default: &Expr, checker: &Checker) ->
                 }
             }
         }
-        // `sys.stdin`, etc.
+        // Ex) `sys.stdin`, etc.
         ExprKind::Attribute { .. } => {
             if checker
                 .ctx