Color

#911a18

#911a18
hex#911a18
rgbrgb(145, 26, 24)
hslhsl(1, 72%, 33%)
oklchoklch(0.427 0.155 27.5)
Closest name: Brick Red (#8f1402)Relative luminance 0.0682

Colors that go with #911a18

Teal, Champagne and Denim 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 →

#188f91

#911852 · #915618

#18911a · #1a1891

Split-complementary

Open in tool →

#189156 · #185291

#529118 · #188f91 · #561891

Contrast

#911a18 as textRatioAAAA largeAAAFix
Aaon white
8.88:1passpasspassPasses AAA — no fix needed.
Aaon black
2.36:1failfailfail
  • AA: use #dd2f2c as the text (4.52:1)
  • AAA: use #e87573 as the text (7.22:1)
  • AA: or shift the background to #bababa (4.58:1)
  • AAA: or shift the background to #e6e6e6 (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 #911a18 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

#911a18 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #911a18
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 #911a18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/911a18-c4a19c-62cb9a-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