Color

#51344c

#51344c
hex#51344c
rgbrgb(81, 52, 76)
hslhsl(310, 22%, 26%)
oklchoklch(0.368 0.056 333)
Closest name: Call It a Night (#42364c)Relative luminance 0.0473

Colors that go with #51344c

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#345139

#473451 · #51343d

#4c5134 · #344c51

Split-complementary

Open in tool →

#3d5134 · #345147

#514734 · #345139 · #343d51

Contrast

#51344c as textRatioAAAA largeAAAFix
Aaon white
10.79:1passpasspassPasses AAA — no fix needed.
Aaon black
1.95:1failfailfail
  • AA: use #9c6392 as the text (4.61:1)
  • AAA: use #b389ac as the text (7.09:1)
  • AA: or shift the background to #a8a8a8 (4.54:1)
  • AAA: or shift the background to #d1d1d1 (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 #51344c 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

#51344c reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51344c
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 #51344c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51344c-c19fb7-83cb62-2d1f25-efe9f1?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