Color

#bb0728

#bb0728
hex#bb0728
rgbrgb(187, 7, 40)
hslhsl(349, 93%, 38%)
oklchoklch(0.502 0.2 22.5)
Closest name: Akai Red (#bc012e)Relative luminance 0.1087

Colors that go with #bb0728

Royal Blue, Teal and Amber 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 →

#07bb9a

#bb0782 · #bb4007

#28bb07 · #0728bb

Split-complementary

Open in tool →

#07bb40 · #0782bb

#82bb07 · #07bb9a · #4007bb

Contrast

#bb0728 as textRatioAAAA largeAAAFix
Aaon white
6.62:1passpassfail
  • AAA: use #b10626 as the text (7.18:1)
Aaon black
3.17:1failpassfail
  • AA: use #ec0932 as the text (4.65:1)
  • AAA: use #f9627d as the text (7.07:1)
  • AA: or shift the background to #d6d6d6 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb0728 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#bb0728 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb0728
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 #bb0728 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb0728-c49c9f-62cb85-2d231f-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