Color

#b42522

#b42522
hex#b42522
rgbrgb(180, 37, 34)
hslhsl(1, 68%, 42%)
oklchoklch(0.503 0.18 27.4)
Closest name: firebrick (#b22222)Relative luminance 0.1114

Colors that go with #b42522

Royal Blue, Steel Blue and Teal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#22b2b4

#b42269 · #b46e22

#22b425 · #2522b4

Split-complementary

Open in tool →

#22b46e · #2269b4

#69b422 · #22b2b4 · #6e22b4

Contrast

#b42522 as textRatioAAAA largeAAAFix
Aaon white
6.5:1passpassfail
  • AAA: use #ab2321 as the text (7.01:1)
Aaon black
3.23:1failpassfail
  • AA: use #d93836 as the text (4.57:1)
  • AAA: use #e47472 as the text (7.04:1)
  • AA: or shift the background to #d9d9d9 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b42522 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b42522 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b42522
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 #b42522 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b42522-c4a19c-62cb9a-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