Color

#b20622

#b20622
hex#b20622
rgbrgb(178, 6, 34)
hslhsl(350, 93%, 36%)
oklchoklch(0.484 0.193 23.6)
Closest name: All Systems Red (#b30103)Relative luminance 0.0971

Colors that go with #b20622

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 →

#06b195

#b10678 · #b13f06

#23b106 · #0623b1

Split-complementary

Open in tool →

#06b13f · #0678b1

#78b106 · #06b195 · #3f06b1

Contrast

#b20622 as textRatioAAAA largeAAAFix
Aaon white
7.14:1passpasspassPasses AAA — no fix needed.
Aaon black
2.94:1failfailfail
  • AA: use #ec092f as the text (4.65:1)
  • AAA: use #f9627b as the text (7.06:1)
  • AA: or shift the background to #cfcfcf (4.58:1)
  • AAA: or shift the background to #ffffff (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b20622 as the background.

Brands using this color

Fonts for this mood

#b20622 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b20622
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 #b20622 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b20622-c49c9e-62cb87-2d231f-f1e9ee?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