Color

#3d002c

#3d002c
hex#3d002c
rgbrgb(61, 0, 44)
hslhsl(317, 100%, 12%)
oklchoklch(0.241 0.103 343)
Closest name: Dark Sanctuary (#3f012c)Relative luminance 0.0117

Colors that go with #3d002c

Charcoal, Crimson and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#003d11

#30003d · #3d000d

#2c3d00 · #002c3d

Split-complementary

Open in tool →

#0d3d00 · #003d30

#3d3000 · #003d11 · #000d3d

Contrast

#3d002c as textRatioAAAA largeAAAFix
Aaon white
17.01:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #e000a1 as the text (4.68:1)
  • AAA: use #ff47cb as the text (7.02:1)
  • AA: or shift the background to #858585 (4.61:1)
  • AAA: or shift the background to #a8a8a8 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d002c 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

#3d002c reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d002c
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3d002c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d002c-c19fb3-77cb62-2d1f23-efe9f1?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