Color

#513c1f

#513c1f
hex#513c1f
rgbrgb(81, 60, 31)
hslhsl(35, 45%, 22%)
oklchoklch(0.372 0.052 73.9)
Closest name: Avocado Stone (#4e3e1f)Relative luminance 0.0508

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f3451

#51231f · #4d511f

#1f513c · #3c1f51

Split-complementary

Open in tool →

#1f4d51 · #231f51

#1f5123 · #1f3451 · #511f4d

Contrast

#513c1f as textRatioAAAA largeAAAFix
Aaon white
10.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #946e38 as the text (4.55:1)
  • AAA: use #bc8e4e as the text (7.12:1)
  • AA: or shift the background to #ababab (4.54:1)
  • AAA: or shift the background to #d4d4d4 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #513c1f 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

#513c1f reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #513c1f
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 #513c1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/513c1f-c4b89c-62c0cb-2d2d1f-f1eae9?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