Color

#dd2803

#dd2803
hex#dd2803
rgbrgb(221, 40, 3)
hslhsl(10, 97%, 44%)
oklchoklch(0.578 0.218 32)
Closest name: Angry Tomato (#d82029)Relative luminance 0.169

Tints & shades

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

Harmonies

Complementary

Open in tool →

#03b9dd

#dd034c · #dd9403

#03dd28 · #2803dd

Split-complementary

Open in tool →

#03dd94 · #034cdd

#4cdd03 · #03b9dd · #9403dd

Contrast

#dd2803 as textRatioAAAA largeAAAFix
Aaon white
4.8:1passpassfail
  • AAA: use #ab1f03 as the text (7.17:1)
Aaon black
4.38:1failpassfail
  • AA: use #e22903 as the text (4.55:1)
  • AAA: use #fc6445 as the text (7.05:1)
  • AA: or shift the background to #fafafa (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #dd2803 as the background.

Brands using this color

Fonts for this mood

#dd2803 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #dd2803
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 #dd2803 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/dd2803-c4a79c-62cbaa-2d281f-f1e9ec?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