Color

#dd1d33

#dd1d33
hex#dd1d33
rgbrgb(221, 29, 51)
hslhsl(353, 77%, 49%)
oklchoklch(0.575 0.22 23.3)
Closest name: crimson (#dc143c)Relative luminance 0.1649

Colors that go with #dd1d33

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 →

#1dddc7

#dd1d93 · #dd671d

#33dd1d · #1d33dd

Split-complementary

Open in tool →

#1ddd67 · #1d93dd

#93dd1d · #1dddc7 · #671ddd

Contrast

#dd1d33 as textRatioAAAA largeAAAFix
Aaon white
4.89:1passpassfail
  • AAA: use #ac1628 as the text (7.24:1)
Aaon black
4.3:1failpassfail
  • AA: use #e22238 as the text (4.52:1)
  • AAA: use #ec6f7d as the text (7.14:1)
  • AA: or shift the background to #f7f7f7 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #dd1d33 as the background.

Brands using this color

Fonts for this mood

#dd1d33 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #dd1d33
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 #dd1d33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/dd1d33-c49c9c-62cb8c-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