Color

#b43fd5

#b43fd5
hex#b43fd5
rgbrgb(180, 63, 213)
hslhsl(287, 64%, 54%)
oklchoklch(0.595 0.23 317.8)
Closest name: Magenta Affair (#aa44dd)Relative luminance 0.1806

Colors that go with #b43fd5

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.

Real palettes that use #b43fd5

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5fd53f

#693fd5 · #d53faa

#d5b43f · #3fd5b4

Split-complementary

Open in tool →

#aad53f · #3fd569

#d5693f · #5fd53f · #3faad5

Contrast

#b43fd5 as textRatioAAAA largeAAAFix
Aaon white
4.55:1passpassfail
  • AAA: use #8b25a7 as the text (7.19:1)
Aaon black
4.61:1passpassfail
  • AAA: use #c975e1 as the text (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 #b43fd5 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

#b43fd5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b43fd5
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 #b43fd5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b43fd5-bd9fc1-abcb62-2d1f2a-ece9f1?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