Color

#4a2139

#4a2139
hex#4a2139
rgbrgb(74, 33, 57)
hslhsl(325, 38%, 21%)
oklchoklch(0.314 0.071 345.8)
Closest name: Castro (#44232f)Relative luminance 0.0284

Colors that go with #4a2139

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 →

#214a32

#47214a · #4a2125

#394a21 · #21394a

Split-complementary

Open in tool →

#254a21 · #214a47

#4a4721 · #214a32 · #21254a

Contrast

#4a2139 as textRatioAAAA largeAAAFix
Aaon white
13.39:1passpasspassPasses AAA — no fix needed.
Aaon black
1.57:1failfailfail
  • AA: use #b3568c as the text (4.63:1)
  • AAA: use #c680a9 as the text (7.06:1)
  • AA: or shift the background to #969696 (4.53:1)
  • AAA: or shift the background to #bdbdbd (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4a2139 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

#4a2139 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4a2139
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 #4a2139 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4a2139-c19faf-69cb62-2d1f21-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