Color

#ba0337

#ba0337
hex#ba0337
rgbrgb(186, 3, 55)
hslhsl(343, 97%, 37%)
oklchoklch(0.501 0.199 17.3)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1078

Tints & shades

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

Harmonies

Complementary

Open in tool →

#03ba86

#ba0392 · #ba2a03

#37ba03 · #0337ba

Split-complementary

Open in tool →

#03ba2a · #0392ba

#92ba03 · #03ba86 · #2a03ba

Contrast

#ba0337 as textRatioAAAA largeAAAFix
Aaon white
6.65:1passpassfail
  • AAA: use #b00334 as the text (7.22:1)
Aaon black
3.16:1failpassfail
  • AA: use #ec0445 as the text (4.67:1)
  • AAA: use #fd5e8b as the text (7.15:1)
  • AA: or shift the background to #d6d6d6 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ba0337 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#ba0337 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ba0337
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #ba0337 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ba0337-c49ca3-62cb7b-2d211f-f1e9ef?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