Color

#513653

#513653
hex#513653
rgbrgb(81, 54, 83)
hslhsl(296, 21%, 27%)
oklchoklch(0.376 0.06 324.3)
Closest name: Long Passionate Night (#5b365e)Relative luminance 0.0501

Colors that go with #513653

Teal, Sea Green 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#385336

#433653 · #533647

#535136 · #365351

Split-complementary

Open in tool →

#475336 · #365343

#534336 · #385336 · #364753

Contrast

#513653 as textRatioAAAA largeAAAFix
Aaon white
10.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2:1failfailfail
  • AA: use #97659a as the text (4.64:1)
  • AAA: use #b08ab2 as the text (7.12:1)
  • AA: or shift the background to #ababab (4.57:1)
  • AAA: or shift the background to #d4d4d4 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #513653 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

#513653 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #513653
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 #513653 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/513653-c19fbf-9ccb62-2d1f28-ede9f1?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