Color

#bb021e

#bb021e
hex#bb021e
rgbrgb(187, 2, 30)
hslhsl(351, 98%, 37%)
oklchoklch(0.5 0.202 24.9)
Closest name: Bullseye (#b9030a)Relative luminance 0.107

Tints & shades

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

Harmonies

Complementary

Open in tool →

#02bb9f

#bb027a · #bb4302

#1ebb02 · #021ebb

Split-complementary

Open in tool →

#02bb43 · #027abb

#7abb02 · #02bb9f · #4302bb

Contrast

#bb021e as textRatioAAAA largeAAAFix
Aaon white
6.69:1passpassfail
  • AAA: use #b1021c as the text (7.25:1)
Aaon black
3.14:1failpassfail
  • AA: use #ed0226 as the text (4.64:1)
  • AAA: use #fd627a as the text (7.2:1)
  • AA: or shift the background to #d4d4d4 (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 #bb021e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#bb021e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb021e
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 #bb021e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb021e-c49c9e-62cb89-2d231f-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