Color

#d41121

#d41121
hex#d41121
rgbrgb(212, 17, 33)
hslhsl(355, 85%, 45%)
oklchoklch(0.552 0.218 26.1)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1451

Colors that go with #d41121

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 →

#11d4c4

#d41183 · #d46211

#21d411 · #1121d4

Split-complementary

Open in tool →

#11d462 · #1183d4

#83d411 · #11d4c4 · #6211d4

Contrast

#d41121 as textRatioAAAA largeAAAFix
Aaon white
5.38:1passpassfail
  • AAA: use #af0e1c as the text (7.24:1)
Aaon black
3.9:1failpassfail
  • AA: use #e71324 as the text (4.52:1)
  • AAA: use #f36874 as the text (7.04:1)
  • AA: or shift the background to #ebebeb (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d41121 as the background.

Brands using this color

Fonts for this mood

#d41121 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d41121
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 #d41121 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d41121-c49e9c-62cb8f-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