Color

#b13bd8

#b13bd8
hex#b13bd8
rgbrgb(177, 59, 216)
hslhsl(285, 67%, 54%)
oklchoklch(0.589 0.236 316.2)
Closest name: Magenta Affair (#aa44dd)Relative luminance 0.1743

Colors that go with #b13bd8

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 →

#62d83b

#623bd8 · #d83bb1

#d8b13b · #3bd8b1

Split-complementary

Open in tool →

#b1d83b · #3bd862

#d8623b · #62d83b · #3bb1d8

Contrast

#b13bd8 as textRatioAAAA largeAAAFix
Aaon white
4.68:1passpassfail
  • AAA: use #8c23af as the text (7.06:1)
Aaon black
4.49:1failpassfail
  • AA: use #b33fd9 as the text (4.63:1)
  • AAA: use #c977e4 as the text (7.24:1)
  • 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 #b13bd8 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

#b13bd8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b13bd8
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 #b13bd8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b13bd8-bc9fc1-afcb62-2d1f2b-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