Color

#340a3d

#340a3d
hex#340a3d
rgbrgb(52, 10, 61)
hslhsl(289, 72%, 14%)
oklchoklch(0.247 0.098 319.9)
Closest name: Dark Purple (#35063e)Relative luminance 0.0128

Colors that go with #340a3d

Charcoal, Sienna and Slate 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 →

#133d0a

#1a0a3d · #3d0a2d

#3d340a · #0a3d34

Split-complementary

Open in tool →

#2d3d0a · #0a3d1a

#3d1a0a · #133d0a · #0a2d3d

Contrast

#340a3d as textRatioAAAA largeAAAFix
Aaon white
16.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #bc2cdd as the text (4.54:1)
  • AAA: use #d16ee7 as the text (7.1:1)
  • AA: or shift the background to #858585 (4.53:1)
  • AAA: or shift the background to #a8a8a8 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #340a3d 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

#340a3d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #340a3d
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 #340a3d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/340a3d-be9fc1-a8cb62-2d1f2a-ece9f1?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