Color

#3f372c

#3f372c
hex#3f372c
rgbrgb(63, 55, 44)
hslhsl(35, 18%, 21%)
oklchoklch(0.342 0.022 75.7)
Closest name: Batch Brew (#45392f)Relative luminance 0.0397

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2c343f

#3f2e2c · #3e3f2c

#2c3f37 · #372c3f

Split-complementary

Open in tool →

#2c3e3f · #2e2c3f

#2c3f2e · #2c343f · #3f2c3e

Contrast

#3f372c as textRatioAAAA largeAAAFix
Aaon white
11.7:1passpasspassPasses AAA — no fix needed.
Aaon black
1.79:1failfailfail
  • AA: use #84745c as the text (4.63:1)
  • AAA: use #a5957e as the text (7.2:1)
  • AA: or shift the background to #a1a1a1 (4.53:1)
  • AAA: or shift the background to #c9c9c9 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f372c as the background.

Brands using this color

Fonts for this mood

#3f372c reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f372c
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3f372c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f372c-c4b89c-62c0cb-2d2d1f-f1eae9?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