Color

#391004

#391004
hex#391004
rgbrgb(57, 16, 4)
hslhsl(14, 87%, 12%)
oklchoklch(0.239 0.069 37.8)
Closest name: Black Chocolate (#441100)Relative luminance 0.0125

Tints & shades

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

Harmonies

Complementary

Open in tool →

#042d39

#390412 · #392b04

#043910 · #100439

Split-complementary

Open in tool →

#04392b · #041239

#123904 · #042d39 · #2b0439

Contrast

#391004 as textRatioAAAA largeAAAFix
Aaon white
16.8:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #d73e0f as the text (4.59:1)
  • AAA: use #f26d45 as the text (7.05:1)
  • AA: or shift the background to #858585 (4.55:1)
  • AAA: or shift the background to #a8a8a8 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #391004 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

#391004 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #391004
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 #391004 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/391004-c4aa9c-62cbb1-2d291f-f1e9eb?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