Color

#cd1e18

#cd1e18
hex#cd1e18
rgbrgb(205, 30, 24)
hslhsl(2, 79%, 45%)
oklchoklch(0.544 0.208 28.8)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1397

Tints & shades

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

Harmonies

Complementary

Open in tool →

#18c7cd

#cd186d · #cd7918

#18cd1e · #1e18cd

Split-complementary

Open in tool →

#18cd79 · #186dcd

#6dcd18 · #18c7cd · #7918cd

Contrast

#cd1e18 as textRatioAAAA largeAAAFix
Aaon white
5.53:1passpassfail
  • AAA: use #ad1914 as the text (7.18:1)
Aaon black
3.79:1failpassfail
  • AA: use #e4211b as the text (4.53:1)
  • AAA: use #ee716d as the text (7.22:1)
  • AA: or shift the background to #e8e8e8 (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 #cd1e18 as the background.

Brands using this color

Fonts for this mood

#cd1e18 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cd1e18
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 #cd1e18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cd1e18-c4a29c-62cb9c-2d261f-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