Color

#51130b

#51130b
hex#51130b
rgbrgb(81, 19, 11)
hslhsl(7, 76%, 18%)
oklchoklch(0.293 0.094 30.7)
Closest name: Burned (#520b00)Relative luminance 0.0224

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b4951

#510b26 · #51360b

#0b5113 · #130b51

Split-complementary

Open in tool →

#0b5136 · #0b2651

#26510b · #0b4951 · #360b51

Contrast

#51130b as textRatioAAAA largeAAAFix
Aaon white
14.5:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #dc341e as the text (4.55:1)
  • AAA: use #ea7262 as the text (7.08:1)
  • AA: or shift the background to #919191 (4.6:1)
  • AAA: or shift the background to #b5b5b5 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51130b 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

#51130b reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51130b
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 #51130b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51130b-c4a59c-62cba4-2d271f-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