Color

#6a3fcf

#6a3fcf
hex#6a3fcf
rgbrgb(106, 63, 207)
hslhsl(258, 60%, 53%)
oklchoklch(0.504 0.208 290.6)
Closest name: Hokkaido Lavender (#7736d9)Relative luminance 0.1112

Colors that go with #6a3fcf

Charcoal, Royal Blue and Amber 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 →

#a4cf3f

#3f5ccf · #b23fcf

#cf6a3f · #3fcf6a

Split-complementary

Open in tool →

#cfb23f · #5ccf3f

#cf3f5c · #a4cf3f · #3fcfb2

Contrast

#6a3fcf as textRatioAAAA largeAAAFix
Aaon white
6.51:1passpassfail
  • AAA: use #6437cd as the text (7.07:1)
Aaon black
3.22:1failpassfail
  • AA: use #8460d7 as the text (4.64:1)
  • AAA: use #a389e1 as the text (7.22:1)
  • AA: or shift the background to #d9d9d9 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6a3fcf 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

#6a3fcf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6a3fcf
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 #6a3fcf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6a3fcf-ad9cc4-dfc44e-291f2d-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