Color

#bb0719

#bb0719
hex#bb0719
rgbrgb(187, 7, 25)
hslhsl(354, 93%, 38%)
oklchoklch(0.501 0.201 26.2)
Closest name: Bullseye (#b9030a)Relative luminance 0.1079

Tints & shades

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

Harmonies

Complementary

Open in tool →

#07bba9

#bb0773 · #bb4f07

#19bb07 · #0719bb

Split-complementary

Open in tool →

#07bb4f · #0773bb

#73bb07 · #07bba9 · #4f07bb

Contrast

#bb0719 as textRatioAAAA largeAAAFix
Aaon white
6.65:1passpassfail
  • AAA: use #b10618 as the text (7.22:1)
Aaon black
3.16:1failpassfail
  • AA: use #ec091f as the text (4.63:1)
  • AAA: use #f96271 as the text (7.01:1)
  • 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 #bb0719 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#bb0719 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb0719
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 #bb0719 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb0719-c49d9c-62cb8e-2d241f-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