Color

#b42818

#b42818
hex#b42818
rgbrgb(180, 40, 24)
hslhsl(6, 76%, 40%)
oklchoklch(0.504 0.179 30.5)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1129

Tints & shades

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

Harmonies

Complementary

Open in tool →

#18a4b4

#b41856 · #b47618

#18b428 · #2818b4

Split-complementary

Open in tool →

#18b476 · #1856b4

#56b418 · #18a4b4 · #7618b4

Contrast

#b42818 as textRatioAAAA largeAAAFix
Aaon white
6.45:1passpassfail
  • AAA: use #a62517 as the text (7.25:1)
Aaon black
3.26:1failpassfail
  • AA: use #dc311e as the text (4.5:1)
  • AAA: use #ea7466 as the text (7.19:1)
  • AA: or shift the background to #d9d9d9 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b42818 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

#b42818 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b42818
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 #b42818 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b42818-c4a59c-62cba3-2d271f-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