Color

#511a01

#511a01
hex#511a01
rgbrgb(81, 26, 1)
hslhsl(19, 98%, 16%)
oklchoklch(0.301 0.089 42)
Closest name: Chocolate Rush (#4e1b0b)Relative luminance 0.0249

Tints & shades

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

Harmonies

Complementary

Open in tool →

#013751

#51010f · #514201

#01511a · #1a0151

Split-complementary

Open in tool →

#015142 · #010f51

#0f5101 · #013751 · #420151

Contrast

#511a01 as textRatioAAAA largeAAAFix
Aaon white
14.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #d44502 as the text (4.65:1)
  • AAA: use #fd6621 as the text (7.1:1)
  • AA: or shift the background to #949494 (4.62:1)
  • AAA: or shift the background to #b8b8b8 (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 #511a01 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

#511a01 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #511a01
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 #511a01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/511a01-c4ad9c-62cbb9-2d2a1f-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