Color

#6434cb

#6434cb
hex#6434cb
rgbrgb(100, 52, 203)
hslhsl(259, 59%, 50%)
oklchoklch(0.481 0.216 290.4)
Closest name: Blurple (#5539cc)Relative luminance 0.0948

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9bcb34

#3450cb · #af34cb

#cb6434 · #34cb64

Split-complementary

Open in tool →

#cbaf34 · #50cb34

#cb3450 · #9bcb34 · #34cbaf

Contrast

#6434cb as textRatioAAAA largeAAAFix
Aaon white
7.25:1passpasspassPasses AAA — no fix needed.
Aaon black
2.9:1failfailfail
  • AA: use #8661d6 as the text (4.69:1)
  • AAA: use #a589e1 as the text (7.27:1)
  • AA: or shift the background to #cccccc (4.52:1)
  • AAA: or shift the background to #fcfcfc (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6434cb 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

#6434cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6434cb
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 #6434cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6434cb-ad9cc4-dfc74e-2a1f2d-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