Color

#321d44

#321d44
hex#321d44
rgbrgb(50, 29, 68)
hslhsl(272, 40%, 19%)
oklchoklch(0.278 0.073 307.2)
Closest name: Midnight Velvet (#2a2243)Relative luminance 0.0197

Colors that go with #321d44

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 →

#2f441d

#1e1d44 · #441d43

#44321d · #1d4432

Split-complementary

Open in tool →

#43441d · #1d441e

#441e1d · #2f441d · #1d4344

Contrast

#321d44 as textRatioAAAA largeAAAFix
Aaon white
15.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.39:1failfailfail
  • AA: use #9262bc as the text (4.7:1)
  • AAA: use #ab86cb as the text (7:1)
  • AA: or shift the background to #8f8f8f (4.66:1)
  • AAA: or shift the background to #b3b3b3 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #321d44 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#321d44 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #321d44
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 #321d44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/321d44-b69cc4-c5cb62-2d1f2d-eae9f1?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