Color

#b54030

#b54030
hex#b54030
rgbrgb(181, 64, 48)
hslhsl(7, 58%, 45%)
oklchoklch(0.533 0.155 30.6)
Closest name: Barbarossa (#a84734)Relative luminance 0.137

Colors that go with #b54030

Royal Blue, Sea Green and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #b54030

Tints & shades

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

Harmonies

Complementary

Open in tool →

#30a6b5

#b53063 · #b58230

#30b540 · #4030b5

Split-complementary

Open in tool →

#30b582 · #3063b5

#63b530 · #30a6b5 · #8230b5

Contrast

#b54030 as textRatioAAAA largeAAAFix
Aaon white
5.61:1passpassfail
  • AAA: use #993629 as the text (7.21:1)
Aaon black
3.74:1failpassfail
  • AA: use #cb4a3a as the text (4.58:1)
  • AAA: use #da7e72 as the text (7.21:1)
  • AA: or shift the background to #e8e8e8 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b54030 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b54030 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b54030
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b54030 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b54030-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