Color

#d11d10

#d11d10
hex#d11d10
rgbrgb(209, 29, 16)
hslhsl(4, 86%, 44%)
oklchoklch(0.55 0.212 29.7)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1447

Colors that go with #d11d10

Charcoal, Royal Blue and Sea Green 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 →

#10c4d1

#d11063 · #d17d10

#10d11d · #1d10d1

Split-complementary

Open in tool →

#10d17d · #1063d1

#63d110 · #10c4d1 · #7d10d1

Contrast

#d11d10 as textRatioAAAA largeAAAFix
Aaon white
5.39:1passpassfail
  • AAA: use #af180d as the text (7.1:1)
Aaon black
3.89:1failpassfail
  • AA: use #e41f11 as the text (4.5:1)
  • AAA: use #f36c62 as the text (7.13:1)
  • AA: or shift the background to #ebebeb (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d11d10 as the background.

Brands using this color

Fonts for this mood

#d11d10 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d11d10
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 #d11d10 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d11d10-c4a39c-62cb9f-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