Color

#b41d08

#b41d08
hex#b41d08
rgbrgb(180, 29, 8)
hslhsl(7, 91%, 37%)
oklchoklch(0.495 0.187 31)
Closest name: firebrick (#b22222)Relative luminance 0.106

Tints & shades

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

Harmonies

Complementary

Open in tool →

#08a0b4

#b4084a · #b47208

#08b41d · #1d08b4

Split-complementary

Open in tool →

#08b472 · #084ab4

#4ab408 · #08a0b4 · #7208b4

Contrast

#b41d08 as textRatioAAAA largeAAAFix
Aaon white
6.73:1passpassfail
  • AAA: use #af1c08 as the text (7.02:1)
Aaon black
3.12:1failpassfail
  • AA: use #e5240b as the text (4.59:1)
  • AAA: use #f76755 as the text (7.03:1)
  • AA: or shift the background to #d4d4d4 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b41d08 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#b41d08 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b41d08
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 #b41d08 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b41d08-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