Color

#b75ef3

#b75ef3
hex#b75ef3
rgbrgb(183, 94, 243)
hslhsl(276, 86%, 66%)
oklchoklch(0.652 0.22 309.1)
Closest name: Orion Nebula (#a55af4)Relative luminance 0.2454

Colors that go with #b75ef3

Olive Drab, Charcoal and Medium Sea Green 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 →

#99f35e

#6d5ef3 · #f35ee4

#f3b75e · #5ef3b7

Split-complementary

Open in tool →

#e4f35e · #5ef36d

#f36d5e · #99f35e · #5ee4f3

Contrast

#b75ef3 as textRatioAAAA largeAAAFix
Aaon white
3.55:1failpassfail
  • AA: use #a83df0 as the text (4.57:1)
  • AAA: use #8310d1 as the text (7.09:1)
  • AA: or shift the background to #212121 (4.53:1)
Aaon black
5.91:1passpassfail
  • AAA: use #c275f5 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b75ef3 as the background.

Brands using this color

Fonts for this mood

#b75ef3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b75ef3
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 #b75ef3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b75ef3-b99cc4-bfcb62-2d1f2d-eae9f1?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