Color

#421a30

#421a30
hex#421a30
rgbrgb(66, 26, 48)
hslhsl(327, 43%, 18%)
oklchoklch(0.285 0.069 348.2)
Closest name: Blackberry (#43182f)Relative luminance 0.0211

Colors that go with #421a30

Charcoal, Dark Olive Green 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 →

#1a422c

#401a42 · #421a1c

#30421a · #1a3042

Split-complementary

Open in tool →

#1c421a · #1a4240

#42401a · #1a422c · #1a1c42

Contrast

#421a30 as textRatioAAAA largeAAAFix
Aaon white
14.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #b9508a as the text (4.58:1)
  • AAA: use #cc7faa as the text (7.18:1)
  • AA: or shift the background to #8f8f8f (4.57:1)
  • AAA: or shift the background to #b3b3b3 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #421a30 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

#421a30 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #421a30
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 #421a30 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/421a30-c19fae-66cb62-2d1f21-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