Color

#3d001c

#3d001c
hex#3d001c
rgbrgb(61, 0, 28)
hslhsl(332, 100%, 12%)
oklchoklch(0.233 0.095 359.8)
Closest name: Vienna Roast (#330022)Relative luminance 0.0108

Tints & shades

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

Harmonies

Complementary

Open in tool →

#003d21

#3d003b · #3d0200

#1d3d00 · #001d3d

Split-complementary

Open in tool →

#003d02 · #003b3d

#3b3d00 · #003d21 · #02003d

Contrast

#3d001c as textRatioAAAA largeAAAFix
Aaon white
17.28:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #e6006b as the text (4.58:1)
  • AAA: use #ff57a5 as the text (7.16:1)
  • AA: or shift the background to #858585 (4.68:1)
  • AAA: or shift the background to #a6a6a6 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d001c 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

#3d001c reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d001c
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 #3d001c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d001c-c49caa-62cb67-2d1f20-f1e9f1?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