Color

#3d151c

#3d151c
hex#3d151c
rgbrgb(61, 21, 28)
hslhsl(350, 49%, 16%)
oklchoklch(0.261 0.063 11.8)
Closest name: Chocolate Kiss (#3c1421)Relative luminance 0.0161

Colors that go with #3d151c

Charcoal, Sea Green and Sienna 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 →

#153d36

#3d152f · #3d2215

#1b3d15 · #151b3d

Split-complementary

Open in tool →

#153d22 · #152f3d

#2f3d15 · #153d36 · #22153d

Contrast

#3d151c as textRatioAAAA largeAAAFix
Aaon white
15.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.32:1failfailfail
  • AA: use #c35063 as the text (4.65:1)
  • AAA: use #d37e8c as the text (7.13:1)
  • AA: or shift the background to #8a8a8a (4.6:1)
  • AAA: or shift the background to #adadad (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d151c 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

#3d151c reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d151c
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 #3d151c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d151c-c49c9e-62cb87-2d231f-f1e9ee?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