Color

#b22e30

#b22e30
hex#b22e30
rgbrgb(178, 46, 48)
hslhsl(359, 59%, 44%)
oklchoklch(0.509 0.169 24.8)
Closest name: firebrick (#b22222)Relative luminance 0.1163

Colors that go with #b22e30

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.

Real palettes that use #b22e30

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2eb2b0

#b22e72 · #b26e2e

#30b22e · #2e30b2

Split-complementary

Open in tool →

#2eb26e · #2e72b2

#72b22e · #2eb2b0 · #6e2eb2

Contrast

#b22e30 as textRatioAAAA largeAAAFix
Aaon white
6.31:1passpassfail
  • AAA: use #a22a2c as the text (7.23:1)
Aaon black
3.33:1failpassfail
  • AA: use #cf4447 as the text (4.57:1)
  • AAA: use #dc797b as the text (7.06:1)
  • AA: or shift the background to #dbdbdb (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 #b22e30 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b22e30 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b22e30
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 #b22e30 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b22e30-c4a09c-62cb96-2d251f-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