Color

#b13dd1

#b13dd1
hex#b13dd1
rgbrgb(177, 61, 209)
hslhsl(287, 62%, 53%)
oklchoklch(0.586 0.228 318)
Closest name: Magenta Affair (#aa44dd)Relative luminance 0.1729

Colors that go with #b13dd1

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.

Real palettes that use #b13dd1

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5dd13d

#673dd1 · #d13da7

#d1b13d · #3dd1b1

Split-complementary

Open in tool →

#a7d13d · #3dd167

#d1673d · #5dd13d · #3da7d1

Contrast

#b13dd1 as textRatioAAAA largeAAAFix
Aaon white
4.71:1passpassfail
  • AAA: use #8a27a5 as the text (7.21:1)
Aaon black
4.46:1failpassfail
  • AA: use #b341d2 as the text (4.6:1)
  • AAA: use #c877df as the text (7.16:1)
  • AA: or shift the background to #fafafa (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 #b13dd1 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

#b13dd1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b13dd1
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 #b13dd1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b13dd1-bd9fc1-abcb62-2d1f2a-ece9f1?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