Color

#cd231d

#cd231d
hex#cd231d
rgbrgb(205, 35, 29)
hslhsl(2, 75%, 46%)
oklchoklch(0.547 0.204 28.5)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1427

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1dc7cd

#cd1d6f · #cd7b1d

#1dcd23 · #231dcd

Split-complementary

Open in tool →

#1dcd7b · #1d6fcd

#6fcd1d · #1dc7cd · #7b1dcd

Contrast

#cd231d as textRatioAAAA largeAAAFix
Aaon white
5.45:1passpassfail
Aaon black
3.85:1failpassfail
  • AA: use #e02b24 as the text (4.54:1)
  • AAA: use #ea706c as the text (7.03:1)
  • AA: or shift the background to #ebebeb (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cd231d as the background.

Brands using this color

Fonts for this mood

#cd231d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cd231d
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 #cd231d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cd231d-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