Color

#b22e35

#b22e35
hex#b22e35
rgbrgb(178, 46, 53)
hslhsl(357, 59%, 44%)
oklchoklch(0.509 0.168 22.9)
Closest name: firebrick (#b22222)Relative luminance 0.1168

Colors that go with #b22e35

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 #b22e35

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2eb2ac

#b22e77 · #b26a2e

#35b22e · #2e35b2

Split-complementary

Open in tool →

#2eb26a · #2e77b2

#77b22e · #2eb2ac · #6a2eb2

Contrast

#b22e35 as textRatioAAAA largeAAAFix
Aaon white
6.3:1passpassfail
  • AAA: use #a22a30 as the text (7.22:1)
Aaon black
3.34:1failpassfail
  • AA: use #cf444b as the text (4.58:1)
  • AAA: use #dc797e as the text (7.08:1)
  • AA: or shift the background to #dbdbdb (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b22e35 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b22e35 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b22e35
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 #b22e35 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b22e35-c49f9c-62cb93-2d251f-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