Color

#340f48

#340f48
hex#340f48
rgbrgb(52, 15, 72)
hslhsl(279, 66%, 17%)
oklchoklch(0.262 0.103 310.9)
Closest name: Romanic Scene (#3b0346)Relative luminance 0.0154

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#23480f

#170f48 · #480f3f

#48340f · #0f4834

Split-complementary

Open in tool →

#3f480f · #0f4817

#48170f · #23480f · #0f3f48

Contrast

#340f48 as textRatioAAAA largeAAAFix
Aaon white
16.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #a749da as the text (4.61:1)
  • AAA: use #c07ce4 as the text (7.24:1)
  • AA: or shift the background to #8a8a8a (4.65:1)
  • AAA: or shift the background to #adadad (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #340f48 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

#340f48 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #340f48
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #340f48 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/340f48-b99fc1-b9cb62-2d1f2c-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