Color

#b239ef

#b239ef
hex#b239ef
rgbrgb(178, 57, 239)
hslhsl(280, 85%, 58%)
oklchoklch(0.604 0.259 311.1)
Closest name: Magenta Affair (#aa44dd)Relative luminance 0.1862

Colors that go with #b239ef

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 →

#76ef39

#5739ef · #ef39d1

#efb239 · #39efb2

Split-complementary

Open in tool →

#d1ef39 · #39ef57

#ef5739 · #76ef39 · #39d1ef

Contrast

#b239ef as textRatioAAAA largeAAAFix
Aaon white
4.44:1failpassfail
  • AA: use #b034ef as the text (4.58:1)
  • AAA: use #8910c6 as the text (7.11:1)
  • AA: or shift the background to #080808 (4.51:1)
Aaon black
4.72:1passpassfail
  • AAA: use #c871f4 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 #b239ef 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

#b239ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b239ef
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 #b239ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b239ef-b99fc1-b8cb62-2d1f2c-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