Color

#421a35

#421a35
hex#421a35
rgbrgb(66, 26, 53)
hslhsl(320, 43%, 18%)
oklchoklch(0.288 0.073 341.6)
Closest name: Blackberry (#43182f)Relative luminance 0.0215

Colors that go with #421a35

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 →

#1a4227

#3b1a42 · #421a21

#34421a · #1a3442

Split-complementary

Open in tool →

#21421a · #1a423b

#423b1a · #1a4227 · #1a2142

Contrast

#421a35 as textRatioAAAA largeAAAFix
Aaon white
14.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.43:1failfailfail
  • AA: use #b95096 as the text (4.65:1)
  • AAA: use #cb7cb0 as the text (7.05:1)
  • AA: or shift the background to #8f8f8f (4.54:1)
  • AAA: or shift the background to #b3b3b3 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #421a35 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

#421a35 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #421a35
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 #421a35 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/421a35-c19fb2-72cb62-2d1f23-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