Color

#ba213a

#ba213a
hex#ba213a
rgbrgb(186, 33, 58)
hslhsl(350, 70%, 43%)
oklchoklch(0.514 0.186 19)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1183

Colors that go with #ba213a

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 →

#21baa1

#ba2187 · #ba5421

#3aba21 · #213aba

Split-complementary

Open in tool →

#21ba54 · #2187ba

#87ba21 · #21baa1 · #5421ba

Contrast

#ba213a as textRatioAAAA largeAAAFix
Aaon white
6.24:1passpassfail
  • AAA: use #a91e35 as the text (7.18:1)
Aaon black
3.37:1failpassfail
  • AA: use #db334f as the text (4.6:1)
  • AAA: use #e67084 as the text (7.02:1)
  • AA: or shift the background to #dbdbdb (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ba213a as the background.

Brands using this color

Fonts for this mood

#ba213a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ba213a
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 #ba213a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ba213a-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