Color

#b13bb5

#b13bb5
hex#b13bb5
rgbrgb(177, 59, 181)
hslhsl(298, 51%, 47%)
oklchoklch(0.568 0.207 326.5)
Closest name: Amora Purple (#bb22aa)Relative luminance 0.1581

Colors that go with #b13bb5

Sea Green, Dark Cyan 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 →

#3fb53b

#743bb5 · #b53b7c

#b5b13b · #3bb5b1

Split-complementary

Open in tool →

#7cb53b · #3bb574

#b5743b · #3fb53b · #3b7cb5

Contrast

#b13bb5 as textRatioAAAA largeAAAFix
Aaon white
5.05:1passpassfail
  • AAA: use #8f2f92 as the text (7.02:1)
Aaon black
4.16:1failpassfail
  • AA: use #bc3ec1 as the text (4.6:1)
  • AAA: use #cf74d2 as the text (7.08:1)
  • AA: or shift the background to #f2f2f2 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b13bb5 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

#b13bb5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b13bb5
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 #b13bb5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b13bb5-c19fbe-98cb62-2d1f28-ede9f1?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