148 CSS ColorsDistance RankingClick to Copy
Closest Match
#3B82F6
Your color
→
royalblue
#4169e1
Distance
33.2
Top 10 Closest Colors
FAQ
How many CSS colors are there?
There are 148 named CSS colors recognized by all modern browsers.
How is distance calculated?
Euclidean distance in RGB color space. Lower distance means a closer visual match.
Can I click to copy?
Yes. Click any color in the list to copy its name to your clipboard.
Love this tool? Explore 999+ more
Free online tools for images, PDFs, text, code, and more. All running in your browser.
Explore All Tools