Color

#301d44

#301d44
hex#301d44
rgbrgb(48, 29, 68)
hslhsl(269, 40%, 19%)
oklchoklch(0.276 0.072 304.6)
Closest name: Midnight Velvet (#2a2243)Relative luminance 0.0192

Colors that go with #301d44

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 →

#31441d

#1d1e44 · #431d44

#44301d · #1d4430

Split-complementary

Open in tool →

#44431d · #1e441d

#441d1e · #31441d · #1d4443

Contrast

#301d44 as textRatioAAAA largeAAAFix
Aaon white
15.16:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #8d62bc as the text (4.61:1)
  • AAA: use #aa89cd as the text (7.17:1)
  • AA: or shift the background to #8c8c8c (4.51:1)
  • AAA: or shift the background to #b3b3b3 (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #301d44 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

#301d44 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #301d44
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 #301d44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/301d44-b49cc4-cbcb62-2c1f2d-e9e9f1?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