Color

#3d2437

#3d2437
hex#3d2437
rgbrgb(61, 36, 55)
hslhsl(314, 26%, 19%)
oklchoklch(0.3 0.049 336)
Closest name: Castro (#44232f)Relative luminance 0.0253

Colors that go with #3d2437

Charcoal, Dark Olive Green and Sea Green 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 #3d2437

Tints & shades

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

Harmonies

Complementary

Open in tool →

#243d2a

#36243d · #3d242b

#373d24 · #24373d

Split-complementary

Open in tool →

#2b3d24 · #243d36

#3d3624 · #243d2a · #242b3d

Contrast

#3d2437 as textRatioAAAA largeAAAFix
Aaon white
13.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.51:1failfailfail
  • AA: use #a15e91 as the text (4.53:1)
  • AAA: use #b988ae as the text (7.2:1)
  • AA: or shift the background to #949494 (4.6:1)
  • AAA: or shift the background to #b8b8b8 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d2437 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

#3d2437 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d2437
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 #3d2437 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d2437-c19fb5-7ccb62-2d1f24-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