Color

#240404

#240404
hex#240404
rgbrgb(36, 4, 4)
hslhsl(0, 80%, 8%)
oklchoklch(0.174 0.057 25.3)
Closest name: Dwarf Fortress (#1d0200)Relative luminance 0.0047

Tints & shades

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

Harmonies

Complementary

Open in tool →

#042525

#250414 · #251404

#042504 · #040425

Split-complementary

Open in tool →

#042514 · #041425

#142504 · #042525 · #140425

Contrast

#240404 as textRatioAAAA largeAAAFix
Aaon white
19.19:1passpasspassPasses AAA — no fix needed.
Aaon black
1.09:1failfailfail
  • AA: use #e61919 as the text (4.52:1)
  • AAA: use #ef6c6c as the text (7.03:1)
  • AA: or shift the background to #7d7d7d (4.66:1)
  • AAA: or shift the background to #9e9e9e (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #240404 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

#240404 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #240404
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 #240404 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/240404-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