Color

#bb1128

#bb1128
hex#bb1128
rgbrgb(187, 17, 40)
hslhsl(352, 83%, 40%)
oklchoklch(0.505 0.196 23.2)
Closest name: Akai Red (#bc012e)Relative luminance 0.1112

Tints & shades

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

Harmonies

Complementary

Open in tool →

#11bba4

#bb117d · #bb4f11

#28bb11 · #1128bb

Split-complementary

Open in tool →

#11bb4f · #117dbb

#7dbb11 · #11bba4 · #4f11bb

Contrast

#bb1128 as textRatioAAAA largeAAAFix
Aaon white
6.51:1passpassfail
  • AAA: use #b11026 as the text (7.07:1)
Aaon black
3.22:1failpassfail
  • AA: use #e91632 as the text (4.63:1)
  • AAA: use #f16a7c as the text (7.09:1)
  • AA: or shift the background to #d9d9d9 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb1128 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#bb1128 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb1128
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 #bb1128 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb1128-c49c9d-62cb8a-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