Color

#3110ea

#3110ea
hex#3110ea
rgbrgb(49, 16, 234)
hslhsl(249, 87%, 49%)
oklchoklch(0.444 0.28 271.3)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0696

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#c9ea10

#105cea · #9e10ea

#ea3110 · #10ea31

Split-complementary

Open in tool →

#ea9e10 · #5cea10

#ea105c · #c9ea10 · #10ea9e

Contrast

#3110ea as textRatioAAAA largeAAAFix
Aaon white
8.78:1passpasspassPasses AAA — no fix needed.
Aaon black
2.39:1failfailfail
  • AA: use #735df4 as the text (4.6:1)
  • AAA: use #9888f7 as the text (7.2:1)
  • AA: or shift the background to #bababa (4.52:1)
  • AAA: or shift the background to #e6e6e6 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3110ea as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#3110ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3110ea
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3110ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3110ea-a79cc4-dfae4e-271f2d-e9ecf1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md