Color

#513d40

#513d40
hex#513d40
rgbrgb(81, 61, 64)
hslhsl(351, 14%, 28%)
oklchoklch(0.383 0.028 8.4)
Closest name: Black Truffle (#463d3e)Relative luminance 0.0546

Colors that go with #513d40

Blue, Blush Pink and Burlywood 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 #513d40

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d514e

#513d4a · #51443d

#40513d · #3d4051

Split-complementary

Open in tool →

#3d5144 · #3d4a51

#4a513d · #3d514e · #443d51

Contrast

#513d40 as textRatioAAAA largeAAAFix
Aaon white
10.04:1passpasspassPasses AAA — no fix needed.
Aaon black
2.09:1failfailfail
  • AA: use #916e73 as the text (4.68:1)
  • AAA: use #ac9195 as the text (7.24:1)
  • AA: or shift the background to #b0b0b0 (4.63:1)
  • AAA: or shift the background to #d9d9d9 (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 #513d40 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

#513d40 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #513d40
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 #513d40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/513d40-c49c9e-62cb89-2d231f-f1e9ee?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