Color

#6505cc

#6505cc
hex#6505cc
rgbrgb(101, 5, 204)
hslhsl(269, 95%, 41%)
oklchoklch(0.45 0.246 293.8)
Closest name: Blurple (#5539cc)Relative luminance 0.0723

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6ccc05

#0509cc · #c905cc

#cc6505 · #05cc65

Split-complementary

Open in tool →

#ccc905 · #09cc05

#cc0509 · #6ccc05 · #05ccc9

Contrast

#6505cc as textRatioAAAA largeAAAFix
Aaon white
8.58:1passpasspassPasses AAA — no fix needed.
Aaon black
2.45:1failfailfail
  • AA: use #9b42fa as the text (4.55:1)
  • AAA: use #b879fc as the text (7.18:1)
  • AA: or shift the background to #bdbdbd (4.57:1)
  • AAA: or shift the background to #e8e8e8 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6505cc 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

#6505cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6505cc
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 #6505cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6505cc-b49cc4-cbcb62-2c1f2d-e9e9f1?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