Color

#b00a07

#b00a07
hex#b00a07
rgbrgb(176, 10, 7)
hslhsl(1, 92%, 36%)
oklchoklch(0.479 0.192 29.1)
Closest name: All Systems Red (#b30103)Relative luminance 0.0946

Tints & shades

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

Harmonies

Complementary

Open in tool →

#07adb0

#b00759 · #b05f07

#07b00a · #0a07b0

Split-complementary

Open in tool →

#07b05f · #0759b0

#59b007 · #07adb0 · #5f07b0

Contrast

#b00a07 as textRatioAAAA largeAAAFix
Aaon white
7.26:1passpasspassPasses AAA — no fix needed.
Aaon black
2.89:1failfailfail
  • AA: use #eb0e0a as the text (4.6:1)
  • AAA: use #f86562 as the text (7.03:1)
  • AA: or shift the background to #cccccc (4.52:1)
  • AAA: or shift the background to #fcfcfc (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b00a07 as the background.

Brands using this color

Fonts for this mood

#b00a07 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b00a07
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 #b00a07 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b00a07-c4a19c-62cb9a-2d261f-f1e9ed?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