Color

#51280b

#51280b
hex#51280b
rgbrgb(81, 40, 11)
hslhsl(25, 76%, 18%)
oklchoklch(0.327 0.073 51.9)
Closest name: Evil Cigar (#522000)Relative luminance 0.0329

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b3451

#510b11 · #514b0b

#0b5128 · #280b51

Split-complementary

Open in tool →

#0b514b · #0b1151

#11510b · #0b3451 · #4b0b51

Contrast

#51280b as textRatioAAAA largeAAAFix
Aaon white
12.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.66:1failfailfail
  • AA: use #b85b19 as the text (4.55:1)
  • AAA: use #e37b31 as the text (7.14:1)
  • AA: or shift the background to #9c9c9c (4.61:1)
  • AAA: or shift the background to #c2c2c2 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51280b 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

#51280b reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51280b
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 #51280b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51280b-c4b19c-62cbc4-2d2b1f-f1e9ea?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