Color

#4b231b

#4b231b
hex#4b231b
rgbrgb(75, 35, 27)
hslhsl(10, 47%, 20%)
oklchoklch(0.31 0.063 32.6)
Closest name: Bitter Chocolate (#4f2923)Relative luminance 0.0278

Colors that go with #4b231b

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 →

#1b434b

#4b1b2b · #4b3b1b

#1b4b23 · #231b4b

Split-complementary

Open in tool →

#1b4b3b · #1b2b4b

#2b4b1b · #1b434b · #3b1b4b

Contrast

#4b231b as textRatioAAAA largeAAAFix
Aaon white
13.5:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #bb5844 as the text (4.59:1)
  • AAA: use #cd8374 as the text (7.09:1)
  • AA: or shift the background to #969696 (4.56:1)
  • AAA: or shift the background to #bdbdbd (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b231b as the background.

Brands using this color

Fonts for this mood

#4b231b reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b231b
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 #4b231b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b231b-c4a79c-62cbaa-2d281f-f1e9ec?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