Color

#b21faa

#b21faa
hex#b21faa
rgbrgb(178, 31, 170)
hslhsl(303, 70%, 41%)
oklchoklch(0.541 0.227 330.7)
Closest name: Amora Purple (#bb22aa)Relative luminance 0.1335

Colors that go with #b21faa

Sea Green, Charcoal and Denim 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 →

#1fb227

#701fb2 · #b21f61

#aab21f · #1faab2

Split-complementary

Open in tool →

#61b21f · #1fb270

#b2701f · #1fb227 · #1f61b2

Contrast

#b21faa as textRatioAAAA largeAAAFix
Aaon white
5.72:1passpassfail
  • AAA: use #981b91 as the text (7.24:1)
Aaon black
3.67:1failpassfail
  • AA: use #cc24c3 as the text (4.61:1)
  • AAA: use #e363dd as the text (7.1:1)
  • AA: or shift the background to #e6e6e6 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b21faa 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

#b21faa reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b21faa
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 #b21faa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b21faa-c19fbb-8fcb62-2d1f26-eee9f1?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