Color

#511f3a

#511f3a
hex#511f3a
rgbrgb(81, 31, 58)
hslhsl(328, 45%, 22%)
oklchoklch(0.323 0.083 349.2)
Closest name: Drops of God (#571e2f)Relative luminance 0.0303

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f5136

#501f51 · #511f21

#3a511f · #1f3a51

Split-complementary

Open in tool →

#21511f · #1f5150

#51501f · #1f5136 · #1f2151

Contrast

#511f3a as textRatioAAAA largeAAAFix
Aaon white
13.07:1passpasspassPasses AAA — no fix needed.
Aaon black
1.61:1failfailfail
  • AA: use #bc4e88 as the text (4.58:1)
  • AAA: use #ce7ea8 as the text (7.17:1)
  • AA: or shift the background to #999999 (4.59:1)
  • AAA: or shift the background to #bfbfbf (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #511f3a 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

#511f3a reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #511f3a
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 #511f3a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/511f3a-c19fad-64cb62-2d1f21-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