Color

#511a41

#511a41
hex#511a41
rgbrgb(81, 26, 65)
hslhsl(317, 51%, 21%)
oklchoklch(0.319 0.097 340.8)
Closest name: Murasaki (#4f284b)Relative luminance 0.0287

Colors that go with #511a41

Charcoal, Sea Green and Blue 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 →

#1a512a

#451a51 · #511a26

#41511a · #1a4151

Split-complementary

Open in tool →

#26511a · #1a5145

#51451a · #1a512a · #1a2651

Contrast

#511a41 as textRatioAAAA largeAAAFix
Aaon white
13.34:1passpasspassPasses AAA — no fix needed.
Aaon black
1.57:1failfailfail
  • AA: use #c2429e as the text (4.57:1)
  • AAA: use #d378b9 as the text (7.16:1)
  • AA: or shift the background to #969696 (4.51:1)
  • AAA: or shift the background to #bdbdbd (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #511a41 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

#511a41 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #511a41
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 #511a41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/511a41-c19fb3-77cb62-2d1f23-efe9f1?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