CenturyLink
Lumen
Lumen Enterprise Portal
  • Getting Started
    • Introduction
    • Installation
    • Development workflow
    • Browser support
    • What's new
  • Foundations
      • Overview
      • Using the keyboard
      • Page structure
      • Color and sensory
      • Images
      • Text
      • Links and forms
      • Tables
      • Other
      • Color
      • Design tokens
      • Grid
  • Components
    • Accordion
    • Activity
    • Alert
    • Avatar
    • Badge
    • Brand
    • Breadcrumb
    • Button
    • Button group
    • Cache Loader
    • Card
    • Carousel
    • Checkbox
    • Copy text
    • Data table
    • Date picker
    • Divider
    • Drawer
    • Dropdown
    • Expansion panel
    • File input
    • Flag icon
    • Footer
    • Header
    • Icon
    • Label
    • Link
    • Marketing icon
    • Mobile navigation
    • Modal
    • Number input
    • Pagination
    • Phone Input
    • Picker
    • Picker group
    • Popover
    • Price
    • Progress
    • Radio button
    • Range slider
    • Search input
    • Select
    • Sidenav
    • Skeleton
    • Spinner
    • Stat
    • Steps
    • Table
    • Tabs
    • Tags
    • Text input
    • Textarea
    • Time picker
    • Toggle switch
    • Toolbar
    • Tooltip
    • Transfer list
  • Utilities
    • Border
    • Color
    • Display
    • Flex
    • Image
    • Opacity
    • Overflow
    • Position
    • Shadow
    • Sizing
    • Spacing
    • Text
    • Vertical-align
    • Z-index
  • Templates
    • App Layout
    • Card
    • Error 404
    • Error 500
    • State

Color

Chi colors are designed to comply with U.S. Section 508 federal requirements. Section 508 follows the Web Content Accessibility Guidelines (WCAG 2.0) Level AA standards which require text and background color contrast ratios of 4.5:1 or higher. All Chi colors either meet (AA) or exceed (AAA) these standards and have been marked below accordingly.