Color

#340c45

#340c45
hex#340c45
rgbrgb(52, 12, 69)
hslhsl(282, 70%, 16%)
oklchoklch(0.256 0.104 313.5)
Closest name: Dark Purple (#35063e)Relative luminance 0.0142

Colors that go with #340c45

Charcoal, Sea Green and Sienna 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 →

#1d450c

#180c45 · #450c3a

#45340c · #0c4534

Split-complementary

Open in tool →

#3a450c · #0c4518

#45180c · #1d450c · #0c3a45

Contrast

#340c45 as textRatioAAAA largeAAAFix
Aaon white
16.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #ae40dd as the text (4.58:1)
  • AAA: use #c679e7 as the text (7.29:1)
  • AA: or shift the background to #878787 (4.55:1)
  • AAA: or shift the background to #ababab (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #340c45 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

#340c45 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #340c45
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 #340c45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/340c45-ba9fc1-b4cb62-2d1f2b-ebe9f1?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