Color

#511f3e

#511f3e
hex#511f3e
rgbrgb(81, 31, 62)
hslhsl(323, 45%, 22%)
oklchoklch(0.325 0.085 344.8)
Closest name: Murasaki (#4f284b)Relative luminance 0.0308

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f5132

#4b1f51 · #511f25

#3e511f · #1f3e51

Split-complementary

Open in tool →

#25511f · #1f514b

#514b1f · #1f5132 · #1f2551

Contrast

#511f3e as textRatioAAAA largeAAAFix
Aaon white
13:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #bc4e91 as the text (4.64:1)
  • AAA: use #ce7eaf as the text (7.23:1)
  • AA: or shift the background to #999999 (4.56:1)
  • AAA: or shift the background to #bfbfbf (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #511f3e 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

#511f3e reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #511f3e
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 #511f3e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/511f3e-c19fb0-6dcb62-2d1f22-f0e9f1?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