Color

#cd0404

#cd0404
hex#cd0404
rgbrgb(205, 4, 4)
hslhsl(0, 96%, 41%)
oklchoklch(0.534 0.217 29.1)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1307

Tints & shades

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

Harmonies

Complementary

Open in tool →

#04cdcd

#cd0469 · #cd6904

#04cd04 · #0404cd

Split-complementary

Open in tool →

#04cd69 · #0469cd

#69cd04 · #04cdcd · #6904cd

Contrast

#cd0404 as textRatioAAAA largeAAAFix
Aaon white
5.81:1passpassfail
  • AAA: use #b40404 as the text (7.1:1)
Aaon black
3.61:1failpassfail
  • AA: use #eb0505 as the text (4.56:1)
  • AAA: use #fc6464 as the text (7.15:1)
  • AA: or shift the background to #e3e3e3 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cd0404 as the background.

Brands using this color

Fonts for this mood

#cd0404 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cd0404
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 #cd0404 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cd0404-c4a19c-62cb98-2d251f-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