404 Page

#1E1B4B

#312E81

#4338CA

Text readability

Ui CoolDark

404 Page is a cool and dark 3-colour linear gradient that runs from deep blue (#1E1B4B) through blue (#312E81) to blue (#4338CA) at 135°. It suits dashboards and SaaS landing pages and dark-mode interfaces and footers. White text reads best on it, at a contrast ratio of 11.5:1 against the gradient’s average colour (AAA). Check every point, not just the average →

CSS

background: linear-gradient(135deg, #1E1B4B, #312E81, #4338CA);

Tailwind

bg-gradient-to-br from-[#1E1B4B] via-[#312E81] to-[#4338CA]

Figma token

{
    "404-page": {
        "value": "linear-gradient(135deg, #1E1B4B 0%, #312E81 50%, #4338CA 100%)",
        "type": "color"
    }
}

404 Page gradient for SwiftUI, Flutter, Android and more

The same gradient, same direction, ready for your app or design system.

let g404PageGradient = LinearGradient(
    colors: [
        Color(red: 0.118, green: 0.106, blue: 0.294),
        Color(red: 0.192, green: 0.18, blue: 0.506),
        Color(red: 0.263, green: 0.22, blue: 0.792)
    ],
    startPoint: UnitPoint(x: 0, y: 0),
    endPoint: UnitPoint(x: 1, y: 1)
)

// Usage
Rectangle().fill(g404PageGradient)

val g404PageColors = listOf(Color(0xFF1E1B4B), Color(0xFF312E81), Color(0xFF4338CA))

Modifier.drawBehind {
    drawRect(
        Brush.linearGradient(
            colors = g404PageColors,
            start = Offset(size.width * 0f, size.height * 0f),
            end = Offset(size.width * 1f, size.height * 1f)
        )
    )
}

<!-- res/drawable/404-page_gradient.xml -->
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <gradient
        android:angle="315"
        android:startColor="#1E1B4B"
        android:centerColor="#312E81"
        android:endColor="#4338CA"
        android:type="linear" />
</shape>

const g404PageGradient = LinearGradient(
    begin: Alignment(-1, -1),
    end: Alignment(1, 1),
    colors: [Color(0xFF1E1B4B), Color(0xFF312E81), Color(0xFF4338CA)],
);

// Usage
Container(decoration: const BoxDecoration(gradient: g404PageGradient))

import { LinearGradient } from 'expo-linear-gradient';

<LinearGradient
  colors={['#1E1B4B', '#312E81', '#4338CA']}
  start={{ x: 0, y: 0 }}
  end={{ x: 1, y: 1 }}
  style={{ flex: 1 }}
/>

<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="630" viewBox="0 0 1200 630">
  <defs>
    <linearGradient id="404-page" x1="0" y1="0" x2="1" y2="1">
      <stop offset="0%" stop-color="#1E1B4B" />
      <stop offset="50%" stop-color="#312E81" />
      <stop offset="100%" stop-color="#4338CA" />
    </linearGradient>
  </defs>
  <rect width="100%" height="100%" fill="url(#404-page)" />
</svg>

:root {
  --404-page-1: #1E1B4B;
  --404-page-2: #312E81;
  --404-page-3: #4338CA;
  --404-page-angle: 135deg;
  --404-page: linear-gradient(var(--404-page-angle), var(--404-page-1), var(--404-page-2), var(--404-page-3));
}

.hero {
  background: var(--404-page);
}

$404-page-1: #1E1B4B;
$404-page-2: #312E81;
$404-page-3: #4338CA;
$404-page: linear-gradient(135deg, $404-page-1, $404-page-2, $404-page-3);

@mixin 404-page-bg {
  background: $404-page-1;
  background: $404-page;
}

Colours in the 404 Page gradient

Stop	Name	HEX	RGB	HSL
1	Deep blue	`#1E1B4B`	`rgb(30, 27, 75)`	`hsl(244, 47%, 20%)`
2	Blue	`#312E81`	`rgb(49, 46, 129)`	`hsl(242, 47%, 34%)`
3	Blue	`#4338CA`	`rgb(67, 56, 202)`	`hsl(245, 58%, 51%)`

404 Page gradient in use

Build something beautifulA hero section on the 404 Page gradientGet started

Button

Card accentAs a border or progress bar

Gradient text

404 Page gradient variations

Reversed

Horizontal

Radial

Conic

Softer

Deeper

Smooth (OKLCH)

Hard stops

Download as an image

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Frequently asked questions

What are the hex codes for the 404 Page gradient?

The 404 Page gradient uses 3 colours: #1E1B4B, #312E81 and #4338CA, at an angle of 135°.

How do I use the 404 Page gradient in CSS?

Paste background: linear-gradient(135deg, #1E1B4B, #312E81, #4338CA); into any element’s styles. For Tailwind, use the class list in the Tailwind block above.

What text colour works on the 404 Page gradient?

White text has the best contrast, at 11.5:1 against the gradient’s average colour, which is AAA. Check the lightest and darkest ends too if text spans the whole gradient.