Color

#dd131d

#dd131d
hex#dd131d
rgbrgb(221, 19, 29)
hslhsl(357, 84%, 47%)
oklchoklch(0.569 0.225 27.2)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1593

Tints & shades

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

Harmonies

Complementary

Open in tool →

#13ddd2

#dd1382 · #dd6e13

#1ddd13 · #131ddd

Split-complementary

Open in tool →

#13dd6e · #1382dd

#82dd13 · #13ddd2 · #6e13dd

Contrast

#dd131d as textRatioAAAA largeAAAFix
Aaon white
5.02:1passpassfail
  • AAA: use #b21018 as the text (7.05:1)
Aaon black
4.19:1failpassfail
  • AA: use #eb141f as the text (4.65:1)
  • AAA: use #f26970 as the text (7.03:1)
  • AA: or shift the background to #f5f5f5 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #dd131d as the background.

Brands using this color

Fonts for this mood

#dd131d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #dd131d
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 #dd131d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/dd131d-c49f9c-62cb93-2d251f-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