Color

#cc1b00

#cc1b00
hex#cc1b00
rgbrgb(204, 27, 0)
hslhsl(8, 100%, 40%)
oklchoklch(0.539 0.21 31.1)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1362

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00b1cc

#cc004b · #cc8100

#00cc1b · #1b00cc

Split-complementary

Open in tool →

#00cc81 · #004bcc

#4bcc00 · #00b1cc · #8100cc

Contrast

#cc1b00 as textRatioAAAA largeAAAFix
Aaon white
5.64:1passpassfail
  • AAA: use #ad1700 as the text (7.24:1)
Aaon black
3.72:1failpassfail
  • AA: use #e61f00 as the text (4.56:1)
  • AAA: use #ff6047 as the text (7.02:1)
  • AA: or shift the background to #e6e6e6 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cc1b00 as the background.

Brands using this color

Fonts for this mood

#cc1b00 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cc1b00
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 #cc1b00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cc1b00-c4a69c-62cba6-2d271f-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