Color

#a643df

#a643df
hex#a643df
rgbrgb(166, 67, 223)
hslhsl(278, 71%, 57%)
oklchoklch(0.588 0.23 310.2)
Closest name: Magenta Affair (#aa44dd)Relative luminance 0.1745

Colors that go with #a643df

Olive Drab, Sea Green and Charcoal 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 →

#7ddf43

#5843df · #df43ca

#dfa643 · #43dfa6

Split-complementary

Open in tool →

#cadf43 · #43df58

#df5843 · #7ddf43 · #43cadf

Contrast

#a643df as textRatioAAAA largeAAAFix
Aaon white
4.68:1passpassfail
  • AAA: use #8521c0 as the text (7.06:1)
Aaon black
4.49:1failpassfail
  • AA: use #a848e0 as the text (4.67:1)
  • AAA: use #bf78e8 as the text (7.07:1)
  • AA: or shift the background to #fcfcfc (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a643df 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

#a643df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a643df
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 #a643df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a643df-ba9cc4-bbcb62-2d1f2c-ebe9f1?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