Color

#6409ec

#6409ec
hex#6409ec
rgbrgb(100, 9, 236)
hslhsl(264, 93%, 48%)
oklchoklch(0.484 0.274 287.4)
Closest name: Electric Indigo (#6600ff)Relative luminance 0.0896

Colors that go with #6409ec

Royal Blue, Charcoal and Denim lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#91ec09

#091fec · #d509ec

#ec6409 · #09ec64

Split-complementary

Open in tool →

#ecd509 · #1fec09

#ec091f · #91ec09 · #09ecd5

Contrast

#6409ec as textRatioAAAA largeAAAFix
Aaon white
7.52:1passpasspassPasses AAA — no fix needed.
Aaon black
2.79:1failfailfail
  • AA: use #924ef9 as the text (4.68:1)
  • AAA: use #b07ffa as the text (7.26:1)
  • AA: or shift the background to #c9c9c9 (4.54:1)
  • AAA: or shift the background to #f7f7f7 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6409ec 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

#6409ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6409ec
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #6409ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6409ec-b19cc4-dfd34e-2b1f2d-e9eaf1?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