Color

#240300

#240300
hex#240300
rgbrgb(36, 3, 0)
hslhsl(5, 100%, 7%)
oklchoklch(0.171 0.061 34.6)
Closest name: Dwarf Fortress (#1d0200)Relative luminance 0.0044

Tints & shades

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

Harmonies

Complementary

Open in tool →

#002124

#24000f · #241500

#002403 · #030024

Split-complementary

Open in tool →

#002415 · #000f24

#0f2400 · #002124 · #150024

Contrast

#240300 as textRatioAAAA largeAAAFix
Aaon white
19.3:1passpasspassPasses AAA — no fix needed.
Aaon black
1.09:1failfailfail
  • AA: use #eb1400 as the text (4.63:1)
  • AAA: use #ff6052 as the text (7.05:1)
  • AA: or shift the background to #7d7d7d (4.69:1)
  • AAA: or shift the background to #9c9c9c (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #240300 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

#240300 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #240300
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 #240300 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/240300-c4a49c-62cba1-2d261f-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