Color

#301e4d

#301e4d
hex#301e4d
rgbrgb(48, 30, 77)
hslhsl(263, 44%, 21%)
oklchoklch(0.284 0.084 298.6)
Closest name: Midnight Velvet (#2a2243)Relative luminance 0.0209

Colors that go with #301e4d

Charcoal, Dark Olive Green and Royal Blue 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 →

#3b4d1e

#1e234d · #481e4d

#4d301e · #1e4d30

Split-complementary

Open in tool →

#4d481e · #234d1e

#4d1e23 · #3b4d1e · #1e4d48

Contrast

#301e4d as textRatioAAAA largeAAAFix
Aaon white
14.8:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #8661c2 as the text (4.5:1)
  • AAA: use #a589d1 as the text (7.1:1)
  • AA: or shift the background to #8f8f8f (4.58:1)
  • AAA: or shift the background to #b3b3b3 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #301e4d 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

#301e4d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #301e4d
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 #301e4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/301e4d-b09cc4-dfd04e-2b1f2d-e9eaf1?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