diff --git a/ui/button.go b/ui/button.go
index efe6273..735f091 100644
--- a/ui/button.go
+++ b/ui/button.go
@@ -73,10 +73,10 @@ func (b *Button) fillColor(p *Palette) color.Color {
 	if b.over {
 		switch b.Type {
 		case ButtonTypeContained:
-			return p.PrimaryHighlight
+			return p.PrimaryLight
 		case ButtonTypeIcon:
 		default:
-			return p.PrimaryLight
+			return p.PrimaryHighlight
 		}
 	}
 	switch b.Type {
diff --git a/ui/scrollbar.go b/ui/scrollbar.go
index b7cef16..c634719 100644
--- a/ui/scrollbar.go
+++ b/ui/scrollbar.go
@@ -85,7 +85,7 @@ func (h *ScrollbarHandle) Render(ctx Context) {
 	p := ctx.Style().Palette
 	fill := p.Primary
 	if h.over {
-		fill = p.PrimaryHighlight
+		fill = p.PrimaryLight
 	}
 	ctx.Renderer().FillRectangle(h.bounds.Inset(1), fill)
 }
diff --git a/ui/style.go b/ui/style.go
index 8548ca3..a861670 100644
--- a/ui/style.go
+++ b/ui/style.go
@@ -21,7 +21,9 @@ type Palette struct {
 	Background color.Color
 	// Primary is used as a the main contrast color.
 	Primary color.Color
-	// PrimaryHighlight is a highlighted version of the main contrast color.
+	// PrimaryDark is a foreground version of the main contrast color.
+	PrimaryDark color.Color
+	// PrimaryHighlight is a light version of the main contrast color.
 	PrimaryHighlight color.Color
 	// PrimaryLight is a background version of the main contrast color.
 	PrimaryLight color.Color
@@ -65,8 +67,9 @@ func DefaultPalette() *Palette {
 		defaultPalette = &Palette{
 			Background:       color.White,
 			Primary:          RGBA(0x3F, 0x51, 0xB5, 0xFF),
-			PrimaryHighlight: RGBA(0x5C, 0x6B, 0xC0, 0xFF),
-			PrimaryLight:     RGBA(0xE8, 0xEA, 0xF6, 0xFF),
+			PrimaryDark:      RGBA(0x00, 0x28, 0x84, 0xFF),
+			PrimaryHighlight: RGBA(0xE8, 0xEA, 0xF6, 0xFF),
+			PrimaryLight:     RGBA(0x75, 0x7C, 0xE8, 0xFF),
 			ShadedBackground: RGBA(0xFA, 0xFA, 0xFA, 0xFF),
 			Text:             color.Black,
 			TextDisabled:     RGBA(0xBD, 0xBD, 0xBD, 0xFF),
diff --git a/ui/textbox.go b/ui/textbox.go
index f2e370c..db23d23 100644
--- a/ui/textbox.go
+++ b/ui/textbox.go
@@ -233,7 +233,7 @@ func (b *TextBox) Render(ctx Context) {
 		renderer.Clear(color.Transparent)
 		if b.Selection.Start != b.Selection.End {
 			left, right := renderer.Font(f).WidthOf(b.Text[:b.Selection.Start]), renderer.Font(f).WidthOf(b.Text[:b.Selection.End])
-			renderer.FillRectangle(geom.RectF32(left, 0, right, size.Y), style.Palette.PrimaryLight)
+			renderer.FillRectangle(geom.RectF32(left, 0, right, size.Y), style.Palette.PrimaryHighlight)
 		}
 		renderer.Text(geom.ZeroPtF32, f, c, b.Text)
 		const interval = 500 * time.Millisecond