Color

#b03e36

#b03e36
hex#b03e36
rgbrgb(176, 62, 54)
hslhsl(4, 53%, 45%)
oklchoklch(0.523 0.15 27.5)
Closest name: Barbarossa (#a84734)Relative luminance 0.1294

Tints & shades

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

Harmonies

Complementary

Open in tool →

#36a7b0

#b0366b · #b07b36

#36b03e · #3e36b0

Split-complementary

Open in tool →

#36b07b · #366bb0

#6bb036 · #36a7b0 · #7b36b0

Contrast

#b03e36 as textRatioAAAA largeAAAFix
Aaon white
5.85:1passpassfail
  • AAA: use #98362f as the text (7.23:1)
Aaon black
3.59:1failpassfail
  • AA: use #c75048 as the text (4.67:1)
  • AAA: use #d57d76 as the text (7.02:1)
  • AA: or shift the background to #e3e3e3 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b03e36 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b03e36 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b03e36
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 #b03e36 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b03e36-c4a39c-62cb9f-2d261f-f1e9ed?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