Color

#3405cc

#3405cc
hex#3405cc
rgbrgb(52, 5, 204)
hslhsl(254, 95%, 41%)
oklchoklch(0.404 0.252 274.7)
Closest name: Busty Blue (#3300cc)Relative luminance 0.052

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9ecc05

#053acc · #9705cc

#cc3405 · #05cc34

Split-complementary

Open in tool →

#cc9705 · #3acc05

#cc053a · #9ecc05 · #05cc97

Contrast

#3405cc as textRatioAAAA largeAAAFix
Aaon white
10.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.04:1failfailfail
  • AA: use #7c56fb as the text (4.58:1)
  • AAA: use #9f83fc as the text (7.13:1)
  • AA: or shift the background to #adadad (4.59:1)
  • AAA: or shift the background to #d6d6d6 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3405cc 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

#3405cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3405cc
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 #3405cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3405cc-aa9cc4-dfbb4e-291f2d-e9ebf1?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