Color

#3a121f

#3a121f
hex#3a121f
rgbrgb(58, 18, 31)
hslhsl(341, 53%, 15%)
oklchoklch(0.251 0.065 2.7)
Closest name: Chocolate Kiss (#3c1421)Relative luminance 0.0143

Colors that go with #3a121f

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 →

#123b2e

#3b1233 · #3b1912

#1f3b12 · #121f3b

Split-complementary

Open in tool →

#123b19 · #12333b

#333b12 · #123b2e · #19123b

Contrast

#3a121f as textRatioAAAA largeAAAFix
Aaon white
16.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #c74870 as the text (4.59:1)
  • AAA: use #d67a97 as the text (7.09:1)
  • AA: or shift the background to #878787 (4.54:1)
  • AAA: or shift the background to #ababab (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a121f 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

#3a121f reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a121f
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 #3a121f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a121f-c49ca4-62cb77-2d211f-f1e9ef?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