Color

#3a1303

#3a1303
hex#3a1303
rgbrgb(58, 19, 3)
hslhsl(17, 90%, 12%)
oklchoklch(0.246 0.067 42.3)
Closest name: Black Chocolate (#441100)Relative luminance 0.0137

Tints & shades

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

Harmonies

Complementary

Open in tool →

#032b3a

#3a030f · #3a2e03

#033a13 · #13033a

Split-complementary

Open in tool →

#033a2e · #030f3a

#0f3a03 · #032b3a · #2e033a

Contrast

#3a1303 as textRatioAAAA largeAAAFix
Aaon white
16.48:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #d5440b as the text (4.66:1)
  • AAA: use #f56e38 as the text (7.17:1)
  • AA: or shift the background to #878787 (4.59:1)
  • AAA: or shift the background to #ababab (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a1303 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

#3a1303 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a1303
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 #3a1303 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a1303-c4ac9c-62cbb6-2d291f-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