Color

#671d57

#671d57
hex#671d57
rgbrgb(103, 29, 87)
hslhsl(313, 56%, 26%)
oklchoklch(0.371 0.126 337.7)
Closest name: Imperial (#602f6b)Relative luminance 0.0445

Colors that go with #671d57

Sea Green, Cream and Denim 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 →

#1d672d

#521d67 · #671d32

#57671d · #1d5767

Split-complementary

Open in tool →

#32671d · #1d6752

#67521d · #1d672d · #1d3267

Contrast

#671d57 as textRatioAAAA largeAAAFix
Aaon white
11.11:1passpasspassPasses AAA — no fix needed.
Aaon black
1.89:1failfailfail
  • AA: use #c738a8 as the text (4.56:1)
  • AAA: use #d874c2 as the text (7.2:1)
  • AA: or shift the background to #a6a6a6 (4.56:1)
  • AAA: or shift the background to #cfcfcf (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 #671d57 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

#671d57 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #671d57
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 #671d57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/671d57-c19fb5-7ecb62-2d1f24-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