HMA-4618 Updated grey 1 (#58)

* HMA-4618 Updated grey 1

* HMA-4618 Updated changelog

Author: jamiescode

CHANGELOG.md

@@ -16,6 +16,8 @@ Allowed headings:
 
 ## [Unreleased]
 
+* Updated `hmrc_grey_1` colour to match the GOV palette 
+
 ## [3.17.0] - 2021-07-26
 
 ### Added

components/src/main/res/values/colors.xml

@@ -28,7 +28,7 @@
     <color name="hmrc_blue">#FF1D70B8</color>
     <color name="hmrc_teal">#FF28A197</color>
     <color name="hmrc_red">#FFD4351C</color>
-    <color name="hmrc_grey_1">#FF6F777B</color>
+    <color name="hmrc_grey_1">#FF505A5F</color>
     <color name="hmrc_grey_2">#FFB1B4B6</color>
     <color name="hmrc_grey_3">#FFF3F2F1</color>
     <color name="hmrc_pink">#FFCA2B75</color>