Color

#51344e

#51344e
hex#51344e
rgbrgb(81, 52, 78)
hslhsl(306, 22%, 26%)
oklchoklch(0.369 0.058 330.3)
Closest name: Call It a Night (#42364c)Relative luminance 0.0476

Colors that go with #51344e

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 →

#345137

#453451 · #51343f

#4e5134 · #344e51

Split-complementary

Open in tool →

#3f5134 · #345145

#514534 · #345137 · #343f51

Contrast

#51344e as textRatioAAAA largeAAAFix
Aaon white
10.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.95:1failfailfail
  • AA: use #9c6396 as the text (4.64:1)
  • AAA: use #b389af as the text (7.11:1)
  • AA: or shift the background to #a8a8a8 (4.53:1)
  • AAA: or shift the background to #d1d1d1 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51344e 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

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

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

tool url/palettes/new/51344e-c19fb9-8acb62-2d1f26-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