Color

#bb3581

#bb3581
hex#bb3581
rgbrgb(187, 53, 129)
hslhsl(326, 56%, 47%)
oklchoklch(0.552 0.185 350)
Closest name: Fandango (#b53389)Relative luminance 0.147

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#35bb6f

#b235bb · #bb353e

#81bb35 · #3581bb

Split-complementary

Open in tool →

#3ebb35 · #35bbb2

#bbb235 · #35bb6f · #353ebb

Contrast

#bb3581 as textRatioAAAA largeAAAFix
Aaon white
5.33:1passpassfail
  • AAA: use #9b2c6b as the text (7.08:1)
Aaon black
3.94:1failpassfail
  • AA: use #c9408e as the text (4.61:1)
  • AAA: use #d874ac as the text (7.01:1)
  • AA: or shift the background to #ededed (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb3581 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

#bb3581 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb3581
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #bb3581 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb3581-c19fae-67cb62-2d1f21-f1e9f1?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