Color

#421f34

#421f34
hex#421f34
rgbrgb(66, 31, 52)
hslhsl(324, 36%, 19%)
oklchoklch(0.296 0.062 344.6)
Closest name: Blackberry (#43182f)Relative luminance 0.0239

Colors that go with #421f34

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 →

#1f422d

#3e1f42 · #421f22

#34421f · #1f3442

Split-complementary

Open in tool →

#22421f · #1f423e

#423e1f · #1f422d · #1f2242

Contrast

#421f34 as textRatioAAAA largeAAAFix
Aaon white
14.22:1passpasspassPasses AAA — no fix needed.
Aaon black
1.48:1failfailfail
  • AA: use #b1598d as the text (4.68:1)
  • AAA: use #c482aa as the text (7.12:1)
  • AA: or shift the background to #919191 (4.51:1)
  • AAA: or shift the background to #b8b8b8 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #421f34 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

#421f34 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #421f34
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 #421f34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/421f34-c19faf-6bcb62-2d1f22-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