Call to action

Overview Style Guidelines Code Accessibility

Installation

Red Hat CDN

CDN Prerelease

We are currently working on our CDN, which will be soon moving into beta. This will be the preferred method of installation in the near future. If you are a Red Hat associate and have questions or comments about the CDN or installation process please join us in our Red Hat Design System Google chat.

In the meantime, install this component using npm

The recommended way to load RHDS is via the Red Hat Digital Experience CDN, and using an import map.

If you have full control over the page you are using, add an import map to the <head>, pointing to the CDN, or update any existing import map. If you are not responsible for the page's <head>, request that the page owner makes the change on your behalf.

<script type="importmap">
  {
    "imports": {
      "@rhds/elements/": "https://www.redhatstatic.com/dx/v1-alpha/@rhds/elements@1.1.0/elements/",
      "@patternfly/elements/": "https://www.redhatstatic.com/dx/v1-alpha/@patternfly/elements@2.2.2/"
    }
  }
</script>

Once the import map is established, you can load the element with the following module, containing a bare module specifier:

<script type="module">
  import '@rhds/elements/rh-cta/rh-cta.js';
</script>

Note that Modules may be placed in the <head>: since they are deferred by default, they will not block rendering.

Lightdom CSS

Lightdom CSS is required for this element to ensure a reduced Cumulative Layout Shift (CLS) experience before the element has fully initialized.

<link rel="stylesheet" href="https://www.redhatstatic.com/dx/v1-alpha/@rhds/elements@1.1.0/rh-cta/rh-cta-lightdom.css">
 NPM

Install RHDS using your team's preferred NPM package manager, e.g.

npm install @rhds/elements

Once that's been accomplished, you will need to use a bundler to resolve the bare module specifiers and optionally optimize the package for your site's particular use case and needs. Comprehensive guides to bundling are beyond the scope of this page; read more about bundlers on their websites:

Lightdom CSS

Lightdom CSS is required for this element to ensure a reduced Cumulative Layout Shift (CLS) experience before the element has fully initialized.

<link rel="stylesheet" href="/path/to/@rhds/elements/elements/rh-cta/rh-cta-lightdom.css">

Replace /path/to in the href attribute with the installation path to the rh-cta directory in your project.

 JSPM

Public CDNs

JSPM and other public CDNs should not be used on corporate domains. Use them for development purposes only!

Add an import map to the <head>, pointing to the CDN, or update any existing import map.

<script type="importmap">
  {
    "imports": {
      "@rhds/elements/": "https://jspm.dev/@rhds/elements/",
      "@patternfly/elements/": "https://jspm.dev/@patternfly/elements/"
    }
  }
</script>

Once the import map is established, you can load the element with the following module, containing a bare module specifier:

<script type="module">
  import '@rhds/elements/rh-cta/rh-cta.js';
</script>

Note that Modules may be placed in the <head>: since they are deferred by default, they will not block rendering.

Lightdom CSS

Lightdom CSS is required for this element to ensure a reduced Cumulative Layout Shift (CLS) experience before the element has fully initialized.

<link rel="stylesheet" href="https://jspm.dev/@rhds/elements@1.1.0/elements/rh-cta/rh-cta-lightdom.css">

Usage 

<rh-cta>
    <a href="#default">Default</a>
</rh-cta>

rh-cta

Slots

Default Slot

We expect an anchor tag, <a> with an href, to be the first child inside rh-cta element. Less preferred but allowed for specific use-cases include: <button> (note however that the button tag is not supported for the default CTA styles).

Attributes

color-palette

[Deprecated] intended for use in elements that have slotted descendants, will be removed in a future release. - Sets color palette, which affects the element's styles as well as descendants' color theme. Overrides parent color context. Your theme will influence these colors so check there first if you are seeing inconsistencies. See CSS Custom Properties for default values.

DOM Property
colorPalette
Type
ColorPalette | undefined
Default
unknown

variant

Indicates the importance of this call-to-action in the context of the page. Will also influence how the call-to-action is styled.

  • Primary: Use for the primary or most important link. This variant is the highest in hierarchy and can also be used to play a video in a Modal or large container.
  • Secondary: Use for secondary or general links. This variant is lower in hierarchy than the Primary variant and can be used multiple times in the same container or layout.
  • Brick: Use to group links together. Only the Brick variant can stretch to fit a container or grid, otherwise the text label padding in other variants stays the same.
  • Default (no variant): Use for tertiary or the least important links. This variant is the lowest in hierarchy and can be used multiple times in the same container or layout.
DOM Property
variant
Type
'primary' | 'secondary' | 'brick' | undefined
Default
unknown

icon

DOM Property
icon
Type
string | undefined
Default
unknown

Methods

None

Events

None

CSS Shadow Parts

container

container element for slotted CTA

CSS Custom Properties

CSS Property Description Default
--rh-cta-color

Sets the cta color

 var(--rh-color-text-primary-on-dark, #ffffff)
--rh-cta-background-color

Sets the cta background color

 var(--rh-color-brand-red-on-light, #ee0000)
--rh-cta-border-color

Sets the cta border color

 var(--rh-color-brand-red-on-light, #ee0000)
--rh-cta-hover-color

Sets the cta color on hover

 var(--rh-color-text-primary-on-dark, #ffffff)
--rh-cta-hover-background-color

Sets the cta background color on hover

 var(--rh-color-brand-red-dark, #be0000)
--rh-cta-hover-border-color

Sets the cta boder color on hover

 var(--rh-color-brand-red-dark, #be0000)
--rh-cta-focus-color

Sets the cta color on focus

 var(--rh-color-text-primary-on-dark, #ffffff)
--rh-cta-focus-background-color

Sets the cta background color on focus

 var(--rh-color-brand-red-on-light, #ee0000)
--rh-cta-focus-container-background-color

Sets the cta container background color on focus

 #0066cc1a
--rh-cta-focus-border-color

Sets the cta border color on focus

 var(--rh-color-brand-red-on-light, #ee0000)
--rh-cta-focus-inner-border-color

Sets the cta inner border color on focus

 var(--rh-color-text-primary-on-dark, #ffffff)
--rh-cta-active-color

Sets the cta color on active. Applicable only for secondary variant

 var(--rh-color-text-primary-on-dark, #ffffff)
--rh-cta-active-background-color

Sets the cta background color on active

 var(--rh-color-brand-red-dark, #be0000)
--rh-cta-active-container-background-color

Sets the cta container background color on active. Applicable only for default variant

 #0066cc1a
--rh-cta-active-inner-border-color

Sets the cta inner border color on active

 var(--rh-color-text-primary-on-dark, #ffffff)
--rh-cta-text-decoration

Sets the cta text decoration

 none
--rh-cta-focus-text-decoration

Sets the cta text decoration on focus

 none
--rh-cta-hover-text-decoration

Sets the cta text decoration on hover

 none
--rh-cta-active-text-decoration

Sets the cta text decoration on active

 none

Design Tokens

Token Copy
--rh-animation-speed
--rh-animation-timing
--rh-border-radius-default
--rh-border-width-sm
--rh-color-border-strong-on-dark
--rh-color-border-strong-on-light
--rh-color-border-subtle-on-dark
--rh-color-border-subtle-on-light
--rh-color-brand-red-dark
--rh-color-brand-red-on-light
--rh-color-interactive-blue-darker
--rh-color-interactive-blue-darkest
--rh-color-interactive-blue-lighter
--rh-color-interactive-blue-lightest
--rh-color-surface-dark
--rh-color-surface-darker
--rh-color-surface-darkest
--rh-color-surface-light
--rh-color-surface-lighter
--rh-color-surface-lightest
--rh-color-text-primary-on-dark
--rh-color-text-primary-on-light
--rh-font-family-body-text
--rh-font-family-heading
--rh-font-size-body-text-lg
--rh-font-size-body-text-md
--rh-font-weight-body-text-regular
--rh-line-height-body-text
--rh-space-2xl
--rh-space-lg
--rh-space-md
--rh-space-xl
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