Color

#513d45

#513d45
hex#513d45
rgbrgb(81, 61, 69)
hslhsl(336, 14%, 28%)
oklchoklch(0.385 0.031 352.8)
Closest name: Black Truffle (#463d3e)Relative luminance 0.0552

Colors that go with #513d45

Sea Green, Teal and 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 #513d45

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d5149

#513d4f · #513f3d

#45513d · #3d4551

Split-complementary

Open in tool →

#3d513f · #3d4f51

#4f513d · #3d5149 · #3f3d51

Contrast

#513d45 as textRatioAAAA largeAAAFix
Aaon white
9.98:1passpasspassPasses AAA — no fix needed.
Aaon black
2.1:1failfailfail
  • AA: use #8e6b79 as the text (4.53:1)
  • AAA: use #a98e99 as the text (7.02:1)
  • AA: or shift the background to #b0b0b0 (4.6:1)
  • AAA: or shift the background to #d9d9d9 (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 #513d45 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

#513d45 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #513d45
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 #513d45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/513d45-c49ca7-62cb6e-2d201f-f1e9f0?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