Color

#513e46

#513e46
hex#513e46
rgbrgb(81, 62, 70)
hslhsl(335, 13%, 28%)
oklchoklch(0.387 0.029 351.4)
Closest name: Black Truffle (#463d3e)Relative luminance 0.0564

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e5149

#513e4f · #51403e

#46513e · #3e4651

Split-complementary

Open in tool →

#3e5140 · #3e4f51

#4f513e · #3e5149 · #403e51

Contrast

#513e46 as textRatioAAAA largeAAAFix
Aaon white
9.87:1passpasspassPasses AAA — no fix needed.
Aaon black
2.13:1failfailfail
  • AA: use #8d6d7a as the text (4.6:1)
  • AAA: use #a88f99 as the text (7.05:1)
  • AA: or shift the background to #b0b0b0 (4.55:1)
  • AAA: or shift the background to #dbdbdb (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #513e46 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

#513e46 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #513e46
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 #513e46 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/513e46-c49ca8-62cb6d-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