Color

#bf37e1

#bf37e1
hex#bf37e1
rgbrgb(191, 55, 225)
hslhsl(288, 74%, 55%)
oklchoklch(0.61 0.253 318.5)
Closest name: Magenta Affair (#aa44dd)Relative luminance 0.1924

Colors that go with #bf37e1

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 #bf37e1

Tints & shades

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

Harmonies

Complementary

Open in tool →

#59e137

#6a37e1 · #e137ae

#e1bf37 · #37e1bf

Split-complementary

Open in tool →

#aee137 · #37e16a

#e16a37 · #59e137 · #37aee1

Contrast

#bf37e1 as textRatioAAAA largeAAAFix
Aaon white
4.33:1failpassfail
  • AA: use #bc2ee0 as the text (4.56:1)
  • AAA: use #901aad as the text (7.15:1)
  • AA: or shift the background to #0a0a0a (4.57:1)
Aaon black
4.85:1passpassfail
  • AAA: use #d06de9 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bf37e1 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

#bf37e1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bf37e1
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 #bf37e1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bf37e1-be9fc1-aacb62-2d1f2a-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