Color

#6a3caa

#6a3caa
hex#6a3caa
rgbrgb(106, 60, 170)
hslhsl(265, 48%, 45%)
oklchoklch(0.47 0.168 299)
Closest name: rebeccapurple (#663399)Relative luminance 0.092

Colors that go with #6a3caa

Charcoal, Sea Green and Crimson 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 →

#7caa3c

#3c45aa · #a13caa

#aa6a3c · #3caa6a

Split-complementary

Open in tool →

#aaa13c · #45aa3c

#aa3c45 · #7caa3c · #3caaa1

Contrast

#6a3caa as textRatioAAAA largeAAAFix
Aaon white
7.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.84:1failfailfail
  • AA: use #8b60c7 as the text (4.6:1)
  • AAA: use #a786d5 as the text (7.01:1)
  • AA: or shift the background to #cccccc (4.61:1)
  • AAA: or shift the background to #fafafa (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6a3caa 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

#6a3caa reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6a3caa
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 #6a3caa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6a3caa-b19cc4-dfd54e-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