Color

#dd0312

#dd0312
hex#dd0312
rgbrgb(221, 3, 18)
hslhsl(356, 97%, 44%)
oklchoklch(0.565 0.23 27.9)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1548

Colors that go with #dd0312

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 →

#03ddcf

#dd037f · #dd6203

#12dd03 · #0312dd

Split-complementary

Open in tool →

#03dd62 · #037fdd

#7fdd03 · #03ddcf · #6203dd

Contrast

#dd0312 as textRatioAAAA largeAAAFix
Aaon white
5.13:1passpassfail
  • AAA: use #b5030f as the text (7.04:1)
Aaon black
4.1:1failpassfail
  • AA: use #ec0413 as the text (4.59:1)
  • AAA: use #fd636d as the text (7.18:1)
  • AA: or shift the background to #f2f2f2 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #dd0312 as the background.

Brands using this color

Fonts for this mood

#dd0312 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #dd0312
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 #dd0312 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/dd0312-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