style(ColorPicker): update hex + names for 3:1 default
style(ColorPicker): update hex + names for 3:1 default

Fixes: UIDEV-208

test plan:
- on dashboard card, ensure color picker shows new 3:1 colors
- ensure new 3:1 colors announce correctly for SR
- updated color picker should aslo show in calendar

Change-Id: I5daf686b8389638236a2d42047892262e2939d07
Reviewed-on: https://gerrit.instructure.com/162042
Tested-by: Jenkins
Reviewed-by: Stephen Jensen <af2501a686d970a4ae53690c2b6f7e448f31f7df@instructure.com>
Reviewed-by: Ryan Shaw <ea3cd978650417470535f3a4725b6b5042a6ab59@instructure.com>
QA-Review: Dan Sasaki <ae19fabf7fe19dff310008c9b6a4d2ec84d311d8@instructure.com>
Product-Review: Kyle Follett <3f0dcef4ea7407b413e459a87705152d37b86e63@instructure.com>

sfu/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,sfu/canvas-lms