Color

#3d1437

#3d1437
hex#3d1437
rgbrgb(61, 20, 55)
hslhsl(309, 51%, 16%)
oklchoklch(0.271 0.082 333.6)
Closest name: Nightly Voyager (#391531)Relative luminance 0.0177

Colors that go with #3d1437

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#143e1a

#2f143e · #3e1423

#373e14 · #14373e

Split-complementary

Open in tool →

#233e14 · #143e2f

#3e2f14 · #143e1a · #14233e

Contrast

#3d1437 as textRatioAAAA largeAAAFix
Aaon white
15.51:1passpasspassPasses AAA — no fix needed.
Aaon black
1.35:1failfailfail
  • AA: use #c13ead as the text (4.56:1)
  • AAA: use #d274c4 as the text (7.04:1)
  • AA: or shift the background to #8c8c8c (4.61:1)
  • AAA: or shift the background to #b0b0b0 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d1437 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

#3d1437 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d1437
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 #3d1437 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d1437-c19fb8-85cb62-2d1f25-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