Color

#8b0909

#8b0909
hex#8b0909
rgbrgb(139, 9, 9)
hslhsl(0, 88%, 29%)
oklchoklch(0.404 0.16 28.4)
Closest name: darkred (#8b0000)Relative luminance 0.057

Tints & shades

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

Harmonies

Complementary

Open in tool →

#098b8b

#8b094a · #8b4a09

#098b09 · #09098b

Split-complementary

Open in tool →

#098b4a · #094a8b

#4a8b09 · #098b8b · #4a098b

Contrast

#8b0909 as textRatioAAAA largeAAAFix
Aaon white
9.81:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #eb0f0f as the text (4.61:1)
  • AAA: use #f66a6a as the text (7.19:1)
  • AA: or shift the background to #b0b0b0 (4.52:1)
  • AAA: or shift the background to #dbdbdb (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 #8b0909 as the background.

Brands using this color

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

Fonts for this mood

#8b0909 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8b0909
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 #8b0909 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8b0909-c4a19c-62cb98-2d251f-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