Color

#dd2b03

#dd2b03
hex#dd2b03
rgbrgb(221, 43, 3)
hslhsl(11, 97%, 44%)
oklchoklch(0.58 0.216 32.4)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1711

Tints & shades

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

Harmonies

Complementary

Open in tool →

#03b5dd

#dd0348 · #dd9803

#03dd2b · #2b03dd

Split-complementary

Open in tool →

#03dd98 · #0348dd

#48dd03 · #03b5dd · #9803dd

Contrast

#dd2b03 as textRatioAAAA largeAAAFix
Aaon white
4.75:1passpassfail
  • AAA: use #ab2103 as the text (7.12:1)
Aaon black
4.42:1failpassfail
  • AA: use #e22c03 as the text (4.6:1)
  • AAA: use #fc6745 as the text (7.17:1)
  • AA: or shift the background to #fafafa (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #dd2b03 as the background.

Brands using this color

Fonts for this mood

#dd2b03 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #dd2b03
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 #dd2b03 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/dd2b03-c4a89c-62cbab-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