Color

#cd3737

#cd3737
hex#cd3737
rgbrgb(205, 55, 55)
hslhsl(0, 60%, 51%)
oklchoklch(0.565 0.187 25.5)
Closest name: Bento Box (#cc363c)Relative luminance 0.1599

Tints & shades

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

Harmonies

Complementary

Open in tool →

#37cdcd

#cd3782 · #cd8237

#37cd37 · #3737cd

Split-complementary

Open in tool →

#37cd82 · #3782cd

#82cd37 · #37cdcd · #8237cd

Contrast

#cd3737 as textRatioAAAA largeAAAFix
Aaon white
5:1passpassfail
  • AAA: use #a32929 as the text (7.23:1)
Aaon black
4.2:1failpassfail
  • AA: use #d04343 as the text (4.57:1)
  • AAA: use #dd7878 as the text (7.03:1)
  • AA: or shift the background to #f5f5f5 (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 #cd3737 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#cd3737 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cd3737
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 #cd3737 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cd3737-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