Color

#513e3f

#513e3f
hex#513e3f
rgbrgb(81, 62, 63)
hslhsl(357, 13%, 28%)
oklchoklch(0.385 0.027 14.8)
Closest name: Black Truffle (#463d3e)Relative luminance 0.0555

Colors that go with #513e3f

Blue, Blush Pink and Cadet 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.

Real palettes that use #513e3f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e5150

#513e48 · #51463e

#3f513e · #3e3f51

Split-complementary

Open in tool →

#3e5146 · #3e4851

#48513e · #3e5150 · #463e51

Contrast

#513e3f as textRatioAAAA largeAAAFix
Aaon white
9.95:1passpasspassPasses AAA — no fix needed.
Aaon black
2.11:1failfailfail
  • AA: use #8d6d6e as the text (4.55:1)
  • AAA: use #ab9293 as the text (7.26:1)
  • AA: or shift the background to #b0b0b0 (4.59:1)
  • AAA: or shift the background to #d9d9d9 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #513e3f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#513e3f reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #513e3f
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 #513e3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/513e3f-c49f9c-62cb93-2d251f-f1e9ed?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