Color

#b5402c

#b5402c
hex#b5402c
rgbrgb(181, 64, 44)
hslhsl(9, 61%, 44%)
oklchoklch(0.533 0.156 32.1)
Closest name: Rust (#b7410e)Relative luminance 0.1367

Colors that go with #b5402c

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 #b5402c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2ca0b5

#b52c5c · #b5852c

#2cb540 · #402cb5

Split-complementary

Open in tool →

#2cb585 · #2c5cb5

#5cb52c · #2ca0b5 · #852cb5

Contrast

#b5402c as textRatioAAAA largeAAAFix
Aaon white
5.62:1passpassfail
  • AAA: use #983625 as the text (7.27:1)
Aaon black
3.73:1failpassfail
  • AA: use #cd4932 as the text (4.59:1)
  • AAA: use #db7c6b as the text (7.11:1)
  • AA: or shift the background to #e6e6e6 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b5402c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b5402c reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b5402c
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 #b5402c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b5402c-c4a79c-62cba8-2d271f-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