Color

#51120b

#51120b
hex#51120b
rgbrgb(81, 18, 11)
hslhsl(6, 76%, 18%)
oklchoklch(0.292 0.095 30.1)
Closest name: Burned (#520b00)Relative luminance 0.0221

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b4a51

#510b27 · #51350b

#0b5112 · #120b51

Split-complementary

Open in tool →

#0b5135 · #0b2751

#27510b · #0b4a51 · #350b51

Contrast

#51120b as textRatioAAAA largeAAAFix
Aaon white
14.57:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #dc311e as the text (4.5:1)
  • AAA: use #ea7466 as the text (7.19:1)
  • AA: or shift the background to #8f8f8f (4.51:1)
  • AAA: or shift the background to #b5b5b5 (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 #51120b 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

#51120b reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51120b
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 #51120b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51120b-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