Color

#ba2133

#ba2133
hex#ba2133
rgbrgb(186, 33, 51)
hslhsl(353, 70%, 43%)
oklchoklch(0.513 0.186 21.6)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1177

Colors that go with #ba2133

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 →

#21baa8

#ba2180 · #ba5c21

#33ba21 · #2133ba

Split-complementary

Open in tool →

#21ba5c · #2180ba

#80ba21 · #21baa8 · #5c21ba

Contrast

#ba2133 as textRatioAAAA largeAAAFix
Aaon white
6.26:1passpassfail
  • AAA: use #a91e2e as the text (7.21:1)
Aaon black
3.35:1failpassfail
  • AA: use #db3347 as the text (4.58:1)
  • AAA: use #e77482 as the text (7.22:1)
  • AA: or shift the background to #dbdbdb (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ba2133 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ba2133 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ba2133
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 #ba2133 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ba2133-c49c9c-62cb8c-2d241f-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