Color

#5b311f

#5b311f
hex#5b311f
rgbrgb(91, 49, 31)
hslhsl(18, 49%, 24%)
oklchoklch(0.363 0.068 43.4)
Closest name: Bitter Chocolate (#4f2923)Relative luminance 0.0452

Colors that go with #5b311f

Teal, Blue and Blush Pink 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 →

#1f495b

#5b1f2b · #5b4f1f

#1f5b31 · #311f5b

Split-complementary

Open in tool →

#1f5b4f · #1f2b5b

#2b5b1f · #1f495b · #4f1f5b

Contrast

#5b311f as textRatioAAAA largeAAAFix
Aaon white
11.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #b3603d as the text (4.66:1)
  • AAA: use #cb8567 as the text (7.09:1)
  • AA: or shift the background to #a6a6a6 (4.53:1)
  • AAA: or shift the background to #cfcfcf (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b311f 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

#5b311f reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b311f
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 #5b311f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b311f-c4ad9c-62cbb8-2d291f-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