Color

#40171a

#40171a
hex#40171a
rgbrgb(64, 23, 26)
hslhsl(356, 47%, 17%)
oklchoklch(0.269 0.064 18)
Closest name: Bruised Plum (#3b1921)Relative luminance 0.0178

Colors that go with #40171a

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 →

#17403d

#40172e · #402917

#1a4017 · #171a40

Split-complementary

Open in tool →

#174029 · #172e40

#2e4017 · #17403d · #291740

Contrast

#40171a as textRatioAAAA largeAAAFix
Aaon white
15.49:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #c1535a as the text (4.65:1)
  • AAA: use #d18085 as the text (7.14:1)
  • AA: or shift the background to #8c8c8c (4.61:1)
  • AAA: or shift the background to #b0b0b0 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40171a 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

#40171a reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40171a
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 #40171a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40171a-c49e9c-62cb91-2d241f-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