---
title: IBM Plex Serif
description: Category: Serif · Key: ibm-plex-serif · Weights: 400, 500, 700
visibility: guest
draft: false
---

# IBM Plex Serif

**Category:** Serif · **Key:** `ibm-plex-serif` · **Weights:** 400, 500, 700

<a href="https://fonts.google.com/specimen/IBM+Plex+Serif" target="_blank" rel="noopener noreferrer">View on Google Fonts <span aria-hidden="true">↗</span><span class="sr-only">(opens in new tab)</span></a>

---

## Specimen

<link rel="stylesheet" href="/vendor/wirekit/fonts/serif/ibm-plex-serif/ibm-plex-serif.css">

<div style="font-family: 'IBM Plex Serif', serif; margin-bottom: 2rem;">
<p style="font-size: 2.5rem; font-weight: 400; line-height: 1.3; margin: 0; color: var(--color-wk-text);">
Whereas recognition of the inherent dignity and of the equal and inalienable rights of all members of the human family is the foundation of freedom, justice and peace in the world.
</p>
</div>

## Styles

<div style="border-bottom: 1px solid var(--color-wk-border-subtle); padding: 1.5rem 0;">
<p style="font-size: 0.875rem; color: var(--color-wk-text-muted); margin: 0 0 0.5rem;">Regular 400</p>
<p style="font-size: 2rem; font-weight: 400; line-height: 1.3; margin: 0; color: var(--color-wk-text); font-family: 'IBM Plex Serif', serif;">The quick brown fox jumps over the lazy dog</p>
</div>
<div style="border-bottom: 1px solid var(--color-wk-border-subtle); padding: 1.5rem 0;">
<p style="font-size: 0.875rem; color: var(--color-wk-text-muted); margin: 0 0 0.5rem;">Medium 500</p>
<p style="font-size: 2rem; font-weight: 500; line-height: 1.3; margin: 0; color: var(--color-wk-text); font-family: 'IBM Plex Serif', serif;">The quick brown fox jumps over the lazy dog</p>
</div>
<div style="border-bottom: 1px solid var(--color-wk-border-subtle); padding: 1.5rem 0;">
<p style="font-size: 0.875rem; color: var(--color-wk-text-muted); margin: 0 0 0.5rem;">Bold 700</p>
<p style="font-size: 2rem; font-weight: 700; line-height: 1.3; margin: 0; color: var(--color-wk-text); font-family: 'IBM Plex Serif', serif;">The quick brown fox jumps over the lazy dog</p>
</div>

## Usage

```php
// config/wirekit.php
'fonts' => [
    'serif' => 'ibm-plex-serif',
],
```

When configured, WireKit sets:

```css
--font-wk-serif: 'IBM Plex Serif', serif;
```

[← Back to Fonts Overview](/components/fonts)

## Design Tokens

See [Fonts — Design Tokens](/components/fonts#design-tokens) for the canonical typography variables (`--font-wk-sans`, `--font-wk-serif`, `--font-wk-mono`, plus weight + spacing tokens) every WireKit component reads.