Color

#3c100b

#3c100b
hex#3c100b
rgbrgb(60, 16, 11)
hslhsl(6, 69%, 14%)
oklchoklch(0.247 0.071 29.5)
Closest name: English Breakfast (#441111)Relative luminance 0.0136

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b373c

#3c0b1f · #3c290b

#0b3c10 · #100b3c

Split-complementary

Open in tool →

#0b3c29 · #0b1f3c

#1f3c0b · #0b373c · #290b3c

Contrast

#3c100b as textRatioAAAA largeAAAFix
Aaon white
16.52:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #d73928 as the text (4.51:1)
  • AAA: use #e4786c as the text (7.2:1)
  • AA: or shift the background to #878787 (4.6:1)
  • AAA: or shift the background to #ababab (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c100b 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

#3c100b reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c100b
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 #3c100b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c100b-c4a59c-62cba3-2d271f-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