Color

#3f272d

#3f272d
hex#3f272d
rgbrgb(63, 39, 45)
hslhsl(345, 24%, 20%)
oklchoklch(0.305 0.037 3.2)
Closest name: Castro (#44232f)Relative luminance 0.027

Colors that go with #3f272d

Dark Olive Green, 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 →

#273f39

#3f2739 · #3f2d27

#2d3f27 · #272d3f

Split-complementary

Open in tool →

#273f2d · #27393f

#393f27 · #273f39 · #2d273f

Contrast

#3f272d as textRatioAAAA largeAAAFix
Aaon white
13.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #a06473 as the text (4.57:1)
  • AAA: use #b78a95 as the text (7.08:1)
  • AA: or shift the background to #969696 (4.61:1)
  • AAA: or shift the background to #bababa (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 #3f272d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#3f272d reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f272d
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 #3f272d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f272d-c49ca1-62cb7e-2d221f-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