Color

#571b00

#571b00
hex#571b00
rgbrgb(87, 27, 0)
hslhsl(19, 100%, 17%)
oklchoklch(0.314 0.096 41.5)
Closest name: Evil Cigar (#522000)Relative luminance 0.0281

Tints & shades

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

Harmonies

Complementary

Open in tool →

#003b57

#570010 · #574700

#00571b · #1b0057

Split-complementary

Open in tool →

#005747 · #001057

#105700 · #003b57 · #470057

Contrast

#571b00 as textRatioAAAA largeAAAFix
Aaon white
13.44:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #d64400 as the text (4.69:1)
  • AAA: use #ff621a as the text (7.01:1)
  • AA: or shift the background to #969696 (4.55:1)
  • AAA: or shift the background to #bdbdbd (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #571b00 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

#571b00 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #571b00
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 #571b00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/571b00-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