Color

#3d170a

#3d170a
hex#3d170a
rgbrgb(61, 23, 10)
hslhsl(15, 72%, 14%)
oklchoklch(0.26 0.064 39)
Closest name: Black Chocolate (#441100)Relative luminance 0.0163

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0a313d

#3d0a17 · #3d310a

#0a3d17 · #170a3d

Split-complementary

Open in tool →

#0a3d31 · #0a173d

#173d0a · #0a313d · #310a3d

Contrast

#3d170a as textRatioAAAA largeAAAFix
Aaon white
15.84:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #ca4b21 as the text (4.54:1)
  • AAA: use #e37854 as the text (7.08:1)
  • AA: or shift the background to #8a8a8a (4.59:1)
  • AAA: or shift the background to #adadad (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d170a 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

#3d170a reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d170a
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 #3d170a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d170a-c4ab9c-62cbb2-2d291f-f1e9eb?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