Dark Knight
#151931
Cool, muted violet-black for structured night layouts
About Dark Knight
This one looks like a dark bruise in the best way: less ink-shifted than Eclipse Elixir, not as visibly "chosen" as Corbeau, and it doesn't collapse into black the way Black Velvet does at first glance. Dark Knight is a near-black purple, but it stays slightly more saturated and a touch more cool, so it reads as color even when the UI is mostly quiet.
I use it when the interface needs real structure without the purple feeling heavy. It's my pick for dashboards and finance apps that have lots of dense surfaces like charts, data tables, and settings panels, especially in fintech, insurance admin, and operational analytics. Compared to Eclipse Elixir, it holds its identity a bit longer; compared to Corbeau, it's quieter and less assertive; compared to Black Velvet, it shows purple sooner and feels less like a disappearing act.
Pair it with cooler neutrals and restrained accents. If your surrounding UI leans warm, it can start to look gray-purple instead of deliberate.
Code snippets
Copy this color into your project.
Contrast checker
WCAG 2.1 contrast ratios. AA requires 4.5:1 for normal text, 3:1 for large. AAA requires 7:1 / 4.5:1.
On White #ffffff
On Gray 100 #f5f5f5
On Gray 900 #18181b
On Black #000000
Variations
Shades
Darker variations, created by mixing toward black.
Tints
Lighter variations, created by mixing toward white.
Tones
Muted variations, created by reducing saturation.
Hues
Hue rotations around the color wheel.
Temperatures
Warm and cool shifts of this color.
Color harmonies
Suggested palettes
Palettes built around this color.
Community palettes
Published palettes that include this color.
