Color

#b503af

#b503af
hex#b503af
rgbrgb(181, 3, 175)
hslhsl(302, 97%, 36%)
oklchoklch(0.539 0.244 330.2)
Closest name: Magentle (#aa11aa)Relative luminance 0.1298

Tints & shades

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

Harmonies

Complementary

Open in tool →

#03b509

#6203b5 · #b50356

#afb503 · #03afb5

Split-complementary

Open in tool →

#56b503 · #03b562

#b56203 · #03b509 · #0356b5

Contrast

#b503af as textRatioAAAA largeAAAFix
Aaon white
5.84:1passpassfail
  • AAA: use #a1029b as the text (7.01:1)
Aaon black
3.6:1failpassfail
  • AA: use #d303cc as the text (4.65:1)
  • AAA: use #fc3bf6 as the text (7.1:1)
  • AA: or shift the background to #e3e3e3 (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 #b503af 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

#b503af reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b503af
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 #b503af and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b503af-c19fbc-91cb62-2d1f27-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