Color

#9b0803

#9b0803
hex#9b0803
rgbrgb(155, 8, 3)
hslhsl(2, 96%, 31%)
oklchoklch(0.436 0.175 29.5)
Closest name: Bleeding Crimson (#9b1414)Relative luminance 0.0715

Colors that go with #9b0803

Teal, Goldenrod and Slate Gray lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #9b0803

Tints & shades

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

Harmonies

Complementary

Open in tool →

#03969b

#9b034a · #9b5403

#039b08 · #08039b

Split-complementary

Open in tool →

#039b54 · #034a9b

#4a9b03 · #03969b · #54039b

Contrast

#9b0803 as textRatioAAAA largeAAAFix
Aaon white
8.64:1passpasspassPasses AAA — no fix needed.
Aaon black
2.43:1failfailfail
  • AA: use #eb0c05 as the text (4.59:1)
  • AAA: use #fc645f as the text (7.13:1)
  • AA: or shift the background to #bdbdbd (4.6:1)
  • AAA: or shift the background to #e8e8e8 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #9b0803 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

#9b0803 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #9b0803
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #9b0803 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9b0803-c4a29c-62cb9c-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