Color

#d03411

#d03411
hex#d03411
rgbrgb(208, 52, 17)
hslhsl(11, 85%, 44%)
oklchoklch(0.565 0.197 33.3)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1591

Tints & shades

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

Harmonies

Complementary

Open in tool →

#11add0

#d0114d · #d09311

#11d034 · #3411d0

Split-complementary

Open in tool →

#11d093 · #114dd0

#4dd011 · #11add0 · #9311d0

Contrast

#d03411 as textRatioAAAA largeAAAFix
Aaon white
5.02:1passpassfail
  • AAA: use #a5290d as the text (7.18:1)
Aaon black
4.18:1failpassfail
  • AA: use #de3712 as the text (4.66:1)
  • AAA: use #f16e50 as the text (7.09:1)
  • AA: or shift the background to #f5f5f5 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d03411 as the background.

Brands using this color

Fonts for this mood

#d03411 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d03411
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 #d03411 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d03411-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