Color

#9b030b

#9b030b
hex#9b030b
rgbrgb(155, 3, 11)
hslhsl(357, 96%, 31%)
oklchoklch(0.435 0.176 27.7)
Closest name: Bleeding Crimson (#9b1414)Relative luminance 0.0706

Colors that go with #9b030b

Teal, Champagne and Crimson 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#039b93

#9b0357 · #9b4703

#0b9b03 · #030b9b

Split-complementary

Open in tool →

#039b47 · #03579b

#579b03 · #039b93 · #47039b

Contrast

#9b030b as textRatioAAAA largeAAAFix
Aaon white
8.71:1passpasspassPasses AAA — no fix needed.
Aaon black
2.41:1failfailfail
  • AA: use #eb0510 as the text (4.56:1)
  • AAA: use #fc646c as the text (7.18:1)
  • AA: or shift the background to #bdbdbd (4.64:1)
  • AAA: or shift the background to #e8e8e8 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #9b030b 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

#9b030b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #9b030b
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 #9b030b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9b030b-c49f9c-62cb93-2d251f-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