Color

#b43827

#b43827
hex#b43827
rgbrgb(180, 56, 39)
hslhsl(7, 64%, 43%)
oklchoklch(0.521 0.163 30.9)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1268

Colors that go with #b43827

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 #b43827

Tints & shades

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

Harmonies

Complementary

Open in tool →

#27a3b4

#b4275d · #b47e27

#27b438 · #3827b4

Split-complementary

Open in tool →

#27b47e · #275db4

#5db427 · #27a3b4 · #7e27b4

Contrast

#b43827 as textRatioAAAA largeAAAFix
Aaon white
5.94:1passpassfail
  • AAA: use #9f3123 as the text (7.15:1)
Aaon black
3.54:1failpassfail
  • AA: use #d1412e as the text (4.51:1)
  • AAA: use #df7a6d as the text (7.14:1)
  • AA: or shift the background to #e3e3e3 (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b43827 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b43827 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b43827
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 #b43827 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b43827-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