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.

Brand

Primary Accent

Blue 70

#0047BB

Secondary Accent

Mint 40

#48D597

Supporting Colors

Black

#000000

Blue 90

#001E60

Mint 70

#097A49

Grey 70

#53565A

Neutral

Neutral palette is an extension of CenturyLink Brand's Dark Grey swatch (Grey 70). Each shade is based off the original hue.

Black

#000000

Used to brand business and corporate content (mastheads, heroes, etc.).

Grey 100

#242526

Used for primary text color on white and low-contrast backgrounds on black.

Grey 90

#313336

Used for low-contrast borders on black and medium-contrast backgrounds on black.

Grey 80

#3F4145

Used for medium-contrast borders on black and high-contrast backgrounds on black.

Grey 70

#53565A

Used for secondary text on white and high-contrast borders on black.

Grey 60

#72767A

Used for muted or disabled text and icons on white.

Grey 50

#8E9399

Used for muted or disabled text and icons on black.

Grey 40

#ACB0B5

Used for high-contrast borders on white.

Grey 30

#D0D4D9

Used for medium-contrast borders on white.

Grey 20

#EDF0F2

Used for low-contrast borders and medium-contrast backgrounds on white.

Grey 10

#F8F9F9

Used for low-contrast backgrounds on white.

White

#FFFFFF

Used as body background color and primary text color on black.

Semantic

Success

Mint 70

#097A49

Mint 30

#ABE0C9

Mint 20

#DAF5E9

Mint 10

#EDFAF3

Info

Blue 70

#0047BB

Blue 30

#C0D7FA

Blue 20

#E6F0FF

Blue 10

#F5F8FC

Danger

Red 70

#B50D12

Red 30

#FCC7C9

Red 20

#FCE8E9

Red 10

#FFF5F5

Warning

Yellow 60

#A66102

Yellow 30

#F5CC93

Yellow 20

#FAECD9

Yellow 10

#FFF8ED

SASS

Chi defines colors with Sass language variables.

$colorscheme: (
  grey: (
    100: #242526,
    90: #313336,
    80: #3f4145,
    70: #53565a,
    60: #72767a,
    50: #8e9399,
    40: #acb0b5,
    30: #d0d4d9,
    20: #edf0f2,
    10: #f8f9f9,
  )
);

A utility function has been created to reference them.

set-color($scheme, $tone)

To use it, add chi through npm and import the variables and mixins sass files.

@import '@centurylink/chi/src/chi/_variables';
@import '@centurylink/chi/src/chi/_mixins';

.example {
  color: set-color(grey, 60);
}