Color

#6409ae

#6409ae
hex#6409ae
rgbrgb(100, 9, 174)
hslhsl(273, 90%, 36%)
oklchoklch(0.42 0.218 300.4)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0596

Colors that go with #6409ae

Olive Green, Charcoal and Tomato 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 →

#54ae09

#1109ae · #ae09a6

#ae6409 · #09ae64

Split-complementary

Open in tool →

#a6ae09 · #09ae11

#ae1109 · #54ae09 · #09a6ae

Contrast

#6409ae as textRatioAAAA largeAAAFix
Aaon white
9.58:1passpasspassPasses AAA — no fix needed.
Aaon black
2.19:1failfailfail
  • AA: use #a23df5 as the text (4.52:1)
  • AAA: use #be77f8 as the text (7.18:1)
  • AA: or shift the background to #b3b3b3 (4.57:1)
  • AAA: or shift the background to #dedede (7.12:1)

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

Brands using this color

Fonts for this mood

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

mcpConnect your agent — build around #6409ae
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 #6409ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6409ae-b79cc4-c4cb62-2d1f2d-eae9f1?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