Color

#513e50

#513e50
hex#513e50
rgbrgb(81, 62, 80)
hslhsl(303, 13%, 28%)
oklchoklch(0.391 0.039 328)
Closest name: Black Magic (#4f4554)Relative luminance 0.0577

Colors that go with #513e50

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 #513e50

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e513f

#483e51 · #513e46

#50513e · #3e5051

Split-complementary

Open in tool →

#46513e · #3e5148

#51483e · #3e513f · #3e4651

Contrast

#513e50 as textRatioAAAA largeAAAFix
Aaon white
9.75:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #8a6a89 as the text (4.5:1)
  • AAA: use #a88fa7 as the text (7.15:1)
  • AA: or shift the background to #b3b3b3 (4.65:1)
  • AAA: or shift the background to #dbdbdb (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #513e50 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

#513e50 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #513e50
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 #513e50 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/513e50-c19fbb-8fcb62-2d1f26-eee9f1?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