Curated

Deep Sea

#000046

#1CB5E0

Text readability

Curated DarkCool

Deep Sea is a dark and cool 2-colour linear gradient that runs from deep blue (#000046) to teal (#1CB5E0) at 135°. It suits dark-mode interfaces and footers and dashboards and SaaS landing pages. White text reads best on it, at a contrast ratio of 7.2:1 against the gradient’s average colour (AAA). Check every point, not just the average →

CSS

background: linear-gradient(135deg, #000046, #1CB5E0);

Tailwind

bg-gradient-to-br from-[#000046] to-[#1CB5E0]

Figma token

{
    "deep-sea": {
        "value": "linear-gradient(135deg, #000046 0%, #1CB5E0 100%)",
        "type": "color"
    }
}

Deep Sea gradient for SwiftUI, Flutter, Android and more

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

let deepSeaGradient = LinearGradient(
    colors: [
        Color(red: 0, green: 0, blue: 0.275),
        Color(red: 0.11, green: 0.71, blue: 0.878)
    ],
    startPoint: UnitPoint(x: 0, y: 0),
    endPoint: UnitPoint(x: 1, y: 1)
)

// Usage
Rectangle().fill(deepSeaGradient)

val deepSeaColors = listOf(Color(0xFF000046), Color(0xFF1CB5E0))

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

<!-- res/drawable/deep-sea_gradient.xml -->
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <gradient
        android:angle="315"
        android:startColor="#000046"
        android:endColor="#1CB5E0"
        android:type="linear" />
</shape>

const deepSeaGradient = LinearGradient(
    begin: Alignment(-1, -1),
    end: Alignment(1, 1),
    colors: [Color(0xFF000046), Color(0xFF1CB5E0)],
);

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

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

<LinearGradient
  colors={['#000046', '#1CB5E0']}
  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="deep-sea" x1="0" y1="0" x2="1" y2="1">
      <stop offset="0%" stop-color="#000046" />
      <stop offset="100%" stop-color="#1CB5E0" />
    </linearGradient>
  </defs>
  <rect width="100%" height="100%" fill="url(#deep-sea)" />
</svg>

:root {
  --deep-sea-1: #000046;
  --deep-sea-2: #1CB5E0;
  --deep-sea-angle: 135deg;
  --deep-sea: linear-gradient(var(--deep-sea-angle), var(--deep-sea-1), var(--deep-sea-2));
}

.hero {
  background: var(--deep-sea);
}

$deep-sea-1: #000046;
$deep-sea-2: #1CB5E0;
$deep-sea: linear-gradient(135deg, $deep-sea-1, $deep-sea-2);

@mixin deep-sea-bg {
  background: $deep-sea-1;
  background: $deep-sea;
}

Colours in the Deep Sea gradient

Stop	Name	HEX	RGB	HSL
1	Deep blue	`#000046`	`rgb(0, 0, 70)`	`hsl(240, 100%, 14%)`
2	Teal	`#1CB5E0`	`rgb(28, 181, 224)`	`hsl(193, 78%, 49%)`

Deep Sea gradient in use

Build something beautifulA hero section on the Deep Sea gradientGet started

Button

Card accentAs a border or progress bar

Gradient text

Deep Sea 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 Deep Sea gradient?

The Deep Sea gradient uses 2 colours: #000046 and #1CB5E0, at an angle of 135°.

How do I use the Deep Sea gradient in CSS?

Paste background: linear-gradient(135deg, #000046, #1CB5E0); into any element’s styles. For Tailwind, use the class list in the Tailwind block above.

What text colour works on the Deep Sea gradient?

White text has the best contrast, at 7.2:1 against the gradient’s average colour, which is AAA. Check the lightest and darkest ends too if text spans the whole gradient.