Color

#800b00

#800b00
hex#800b00
rgbrgb(128, 11, 0)
hslhsl(5, 100%, 25%)
oklchoklch(0.382 0.15 30.8)
Closest name: maroon (#800000)Relative luminance 0.0483

Tints & shades

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

Harmonies

Complementary

Open in tool →

#007580

#800035 · #804a00

#00800b · #0b0080

Split-complementary

Open in tool →

#00804a · #003580

#358000 · #007580 · #4a0080

Contrast

#800b00 as textRatioAAAA largeAAAFix
Aaon white
10.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.97:1failfailfail
  • AA: use #eb1400 as the text (4.63:1)
  • AAA: use #ff6052 as the text (7.05:1)
  • AA: or shift the background to #ababab (4.65:1)
  • AAA: or shift the background to #d4d4d4 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #800b00 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

#800b00 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #800b00
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 #800b00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/800b00-c4a49c-62cba1-2d261f-f1e9ec?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