Color

#991900

#991900
hex#991900
rgbrgb(153, 25, 0)
hslhsl(10, 100%, 30%)
oklchoklch(0.44 0.165 32.3)
Closest name: Bleeding Crimson (#9b1414)Relative luminance 0.0747

Tints & shades

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

Harmonies

Complementary

Open in tool →

#008099

#990033 · #996600

#009919 · #1a0099

Split-complementary

Open in tool →

#009966 · #003399

#339900 · #008099 · #660099

Contrast

#991900 as textRatioAAAA largeAAAFix
Aaon white
8.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.49:1failfailfail
  • AA: use #e62600 as the text (4.64:1)
  • AAA: use #ff6242 as the text (7.08:1)
  • AA: or shift the background to #bfbfbf (4.58:1)
  • AAA: or shift the background to #ebebeb (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #991900 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

#991900 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #991900
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 #991900 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/991900-c4a79c-62cbaa-2d281f-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