Color

#d11f2b

#d11f2b
hex#d11f2b
rgbrgb(209, 31, 43)
hslhsl(356, 74%, 47%)
oklchoklch(0.553 0.209 25)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1471

Colors that go with #d11f2b

Charcoal, Royal Blue and Steel Blue 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 →

#1fd1c5

#d11f84 · #d16c1f

#2bd11f · #1f2bd1

Split-complementary

Open in tool →

#1fd16c · #1f84d1

#84d11f · #1fd1c5 · #6c1fd1

Contrast

#d11f2b as textRatioAAAA largeAAAFix
Aaon white
5.33:1passpassfail
  • AAA: use #ad1a24 as the text (7.12:1)
Aaon black
3.94:1failpassfail
  • AA: use #df2a36 as the text (4.52:1)
  • AAA: use #ea7179 as the text (7.14:1)
  • AA: or shift the background to #ededed (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d11f2b as the background.

Brands using this color

Fonts for this mood

#d11f2b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d11f2b
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 #d11f2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d11f2b-c49e9c-62cb91-2d241f-f1e9ee?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