Color

#42012a

#42012a
hex#42012a
rgbrgb(66, 1, 42)
hslhsl(322, 97%, 13%)
oklchoklch(0.252 0.104 348.6)
Closest name: Dark Sanctuary (#3f012c)Relative luminance 0.0135

Colors that go with #42012a

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 →

#014119

#390141 · #41010a

#2a4101 · #012a41

Split-complementary

Open in tool →

#0a4101 · #014139

#413901 · #014119 · #010a41

Contrast

#42012a as textRatioAAAA largeAAAFix
Aaon white
16.54:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #e20390 as the text (4.65:1)
  • AAA: use #fc54bf as the text (7.16:1)
  • AA: or shift the background to #878787 (4.6:1)
  • AAA: or shift the background to #ababab (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42012a 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

#42012a reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42012a
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 #42012a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42012a-c19fb1-6ecb62-2d1f22-f0e9f1?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