Documentation
Colors
Convey meaning through color with a handful of color utility classes.
Contextual colors
A background fill can be applied to a container using one of the .bg-[color] classes.
Primary
.bg-primary
Secondary
.bg-secondary
Success
.bg-success
Info
.bg-info
Warning
.bg-warning
Danger
.bg-danger
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-primary rounded mr-4"></div>
<div>
<strong>Primary</strong><br />
<code>.bg-primary</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-secondary rounded mr-4"></div>
<div>
<strong>Secondary</strong><br />
<code>.bg-secondary</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-success rounded mr-4"></div>
<div>
<strong>Success</strong><br />
<code>.bg-success</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-info rounded mr-4"></div>
<div>
<strong>Info</strong><br />
<code>.bg-info</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-warning rounded mr-4"></div>
<div>
<strong>Warning</strong><br />
<code>.bg-warning</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-danger rounded mr-4"></div>
<div>
<strong>Danger</strong><br />
<code>.bg-danger</code>
</div>
</div>Other colors
Instead of using contextual classes you can use ordinary color names.
Blue
.bg-blue
Azure
.bg-azure
Indigo
.bg-indigo
Purple
.bg-purple
Pink
.bg-pink
Red
.bg-red
Orange
.bg-orange
Yellow
.bg-yellow
Lime
.bg-lime
Green
.bg-green
Teal
.bg-teal
Cyan
.bg-cyan
Gray
.bg-gray
Dark gray
.bg-gray-dark
<div class="row">
<div class="col-4">
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-blue rounded mr-4"></div>
<div>
<strong>Blue</strong><br />
<code>.bg-blue</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-azure rounded mr-4"></div>
<div>
<strong>Azure</strong><br />
<code>.bg-azure</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-indigo rounded mr-4"></div>
<div>
<strong>Indigo</strong><br />
<code>.bg-indigo</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-purple rounded mr-4"></div>
<div>
<strong>Purple</strong><br />
<code>.bg-purple</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-pink rounded mr-4"></div>
<div>
<strong>Pink</strong><br />
<code>.bg-pink</code>
</div>
</div>
</div>
<div class="col-4">
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-red rounded mr-4"></div>
<div>
<strong>Red</strong><br />
<code>.bg-red</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-orange rounded mr-4"></div>
<div>
<strong>Orange</strong><br />
<code>.bg-orange</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-yellow rounded mr-4"></div>
<div>
<strong>Yellow</strong><br />
<code>.bg-yellow</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-lime rounded mr-4"></div>
<div>
<strong>Lime</strong><br />
<code>.bg-lime</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-green rounded mr-4"></div>
<div>
<strong>Green</strong><br />
<code>.bg-green</code>
</div>
</div>
</div>
<div class="col-4">
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-teal rounded mr-4"></div>
<div>
<strong>Teal</strong><br />
<code>.bg-teal</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-cyan rounded mr-4"></div>
<div>
<strong>Cyan</strong><br />
<code>.bg-cyan</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-gray rounded mr-4"></div>
<div>
<strong>Gray</strong><br />
<code>.bg-gray</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-gray-dark rounded mr-4"></div>
<div>
<strong>Dark gray</strong><br />
<code>.bg-gray-dark</code>
</div>
</div>
</div>
</div>Tinting backgrounds
Translucent background fills to shade an element against a background. You can use one of few suffixes:
-darkest, -darker, -dark, -lightest, -lighter or -light.
Darkest blue
.bg-blue-darkest
Darker blue
.bg-blue-darker
Dark blue
.bg-blue-dark
Default blue
.bg-blue
Light blue
.bg-blue-light
Lighter blue
.bg-blue-lighter
Lightest blue
.bg-blue-lightest
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-blue-darkest rounded mr-4"></div>
<div>
<strong>Darkest blue</strong><br />
<code>.bg-blue-darkest</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-blue-darker rounded mr-4"></div>
<div>
<strong>Darker blue</strong><br />
<code>.bg-blue-darker</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-blue-dark rounded mr-4"></div>
<div>
<strong>Dark blue</strong><br />
<code>.bg-blue-dark</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-blue rounded mr-4"></div>
<div>
<strong>Default blue</strong><br />
<code>.bg-blue</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-blue-light rounded mr-4"></div>
<div>
<strong>Light blue</strong><br />
<code>.bg-blue-light</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-blue-lighter rounded mr-4"></div>
<div>
<strong>Lighter blue</strong><br />
<code>.bg-blue-lighter</code>
</div>
</div>
<div class="d-flex align-items-center mb-4">
<div class="w-7 h-7 bg-blue-lightest rounded mr-4"></div>
<div>
<strong>Lightest blue</strong><br />
<code>.bg-blue-lightest</code>
</div>
</div>