Color

#cd240a

#cd240a
hex#cd240a
rgbrgb(205, 36, 10)
hslhsl(8, 91%, 42%)
oklchoklch(0.547 0.205 31.3)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1426

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0ab3cd

#cd0a51 · #cd850a

#0acd24 · #240acd

Split-complementary

Open in tool →

#0acd85 · #0a51cd

#51cd0a · #0ab3cd · #850acd

Contrast

#cd240a as textRatioAAAA largeAAAFix
Aaon white
5.45:1passpassfail
  • AAA: use #aa1e08 as the text (7.25:1)
Aaon black
3.85:1failpassfail
  • AA: use #e5280b as the text (4.64:1)
  • AAA: use #f76a55 as the text (7.15:1)
  • 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 #cd240a as the background.

Brands using this color

Fonts for this mood

#cd240a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cd240a
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 #cd240a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cd240a-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