Capital Blue to Fibonacci Blue Gradient
CSS
background: linear-gradient(90deg, #1a4157 0%, #112358 100%);
From Capital Blue (#1A4157) to Fibonacci Blue (#112358). The two hues are 23° apart on the color wheel, close enough that the blend stays clean without a muddy middle.
Colors along the gradient
| Name | HEX | RGB | HSL | CMYK | |
|---|---|---|---|---|---|
| Capital Blue | #1A4157 | 26, 65, 87 | 202°, 54%, 22% | 70, 25, 0, 66 | |
| 25% (near Capital Blue) | #183A57 | 24, 58, 87 | 208°, 57%, 22% | 72, 33, 0, 66 | |
| 50% (near Poseidon) | #163258 | 22, 50, 88 | 215°, 60%, 22% | 75, 43, 0, 65 | |
| 75% (near Fibonacci Blue) | #132B58 | 19, 43, 88 | 219°, 64%, 21% | 78, 51, 0, 65 | |
| Fibonacci Blue | #112358 | 17, 35, 88 | 225°, 68%, 21% | 81, 60, 0, 65 |
Halfway along, the gradient is #163258, closest to the named color Poseidon. The stops are mixed in RGB, the way browsers draw a linear gradient by default.
Text on this gradient
White text reads best on both ends, so one text color works across the whole gradient. The two end colors have a contrast ratio of 1.38:1, so the change is gentle.
Other ways to use it
- Top to bottom:
linear-gradient(180deg, #1a4157, #112358) - Diagonal:
linear-gradient(135deg, #1a4157, #112358) - Radial, from the center out:
radial-gradient(circle, #1a4157, #112358) - Tailwind CSS:
bg-gradient-to-r from-[#1a4157] to-[#112358]
Gradients like this work well for page headers, buttons, cards and slide backgrounds. Keep body text on a solid color for the best readability.
Related gradients
Questions
What are the HEX codes of the Capital Blue to Fibonacci Blue gradient?
It starts at #1A4157 (Capital Blue) and ends at #112358 (Fibonacci Blue), with #163258 in the middle.
How do I reverse the gradient?
Swap the two colors or change the angle from 90deg to 270deg: linear-gradient(270deg, #1a4157, #112358) runs from Fibonacci Blue on the left to Capital Blue on the right.