Color

#b54b21

#b54b21
hex#b54b21
rgbrgb(181, 75, 33)
hslhsl(17, 69%, 42%)
oklchoklch(0.546 0.148 40.3)
Closest name: Bolognese (#bb4400)Relative luminance 0.1497

Tints & shades

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

Harmonies

Complementary

Open in tool →

#218bb5

#b52141 · #b59521

#21b54b · #4b21b5

Split-complementary

Open in tool →

#21b595 · #2141b5

#41b521 · #218bb5 · #9521b5

Contrast

#b54b21 as textRatioAAAA largeAAAFix
Aaon white
5.26:1passpassfail
  • AAA: use #933d1b as the text (7.18:1)
Aaon black
3.99:1failpassfail
  • AA: use #c65224 as the text (4.63:1)
  • AAA: use #df7b53 as the text (7.1:1)
  • AA: or shift the background to #f0f0f0 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b54b21 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

#b54b21 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b54b21
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 #b54b21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b54b21-c4ac9c-62cbb6-2d291f-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