Color

#cc0000

#cc0000
hex#cc0000
rgbrgb(204, 0, 0)
hslhsl(0, 100%, 40%)
oklchoklch(0.531 0.218 29.2)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1284

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00cccc

#cc0066 · #cc6600

#00cc00 · #0000cc

Split-complementary

Open in tool →

#00cc66 · #0066cc

#66cc00 · #00cccc · #6600cc

Contrast

#cc0000 as textRatioAAAA largeAAAFix
Aaon white
5.89:1passpassfail
  • AAA: use #b30000 as the text (7.2:1)
Aaon black
3.57:1failpassfail
  • AA: use #eb0000 as the text (4.53:1)
  • AAA: use #ff6161 as the text (7.13:1)
  • AA: or shift the background to #e3e3e3 (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 #cc0000 as the background.

Brands using this color

Fonts for this mood

#cc0000 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cc0000
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 #cc0000 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cc0000-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