Color

#51241f

#51241f
hex#51241f
rgbrgb(81, 36, 31)
hslhsl(6, 45%, 22%)
oklchoklch(0.322 0.069 28)
Closest name: Bitter Chocolate (#4f2923)Relative luminance 0.0311

Colors that go with #51241f

Charcoal, Royal Blue and Sea Green 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 →

#1f4c51

#511f33 · #513d1f

#1f5124 · #241f51

Split-complementary

Open in tool →

#1f513d · #1f3351

#33511f · #1f4c51 · #3d1f51

Contrast

#51241f as textRatioAAAA largeAAAFix
Aaon white
12.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #bc594e as the text (4.68:1)
  • AAA: use #cd827a as the text (7.07:1)
  • AA: or shift the background to #999999 (4.54:1)
  • AAA: or shift the background to #bfbfbf (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51241f as the background.

Brands using this color

Fonts for this mood

#51241f reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51241f
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 #51241f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51241f-c4a59c-62cba3-2d271f-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