Color

#dd2733

#dd2733
hex#dd2733
rgbrgb(221, 39, 51)
hslhsl(356, 73%, 51%)
oklchoklch(0.581 0.214 24.5)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1706

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#27ddd1

#dd278e · #dd7627

#33dd27 · #2733dd

Split-complementary

Open in tool →

#27dd76 · #278edd

#8edd27 · #27ddd1 · #7627dd

Contrast

#dd2733 as textRatioAAAA largeAAAFix
Aaon white
4.76:1passpassfail
  • AAA: use #ac1b25 as the text (7.15:1)
Aaon black
4.41:1failpassfail
  • AA: use #de2b37 as the text (4.51:1)
  • AAA: use #e9727a as the text (7.15:1)
  • AA: or shift the background to #fafafa (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 #dd2733 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#dd2733 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #dd2733
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #dd2733 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/dd2733-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