Color

#340bea

#340bea
hex#340bea
rgbrgb(52, 11, 234)
hslhsl(251, 91%, 48%)
oklchoklch(0.444 0.281 272.1)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0691

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c1ea0b

#0b52ea · #a30bea

#ea340b · #0bea34

Split-complementary

Open in tool →

#eaa30b · #52ea0b

#ea0b52 · #c1ea0b · #0beaa3

Contrast

#340bea as textRatioAAAA largeAAAFix
Aaon white
8.82:1passpasspassPasses AAA — no fix needed.
Aaon black
2.38:1failfailfail
  • AA: use #7659f7 as the text (4.54:1)
  • AAA: use #9b85f9 as the text (7.12:1)
  • AA: or shift the background to #bababa (4.54:1)
  • AAA: or shift the background to #e6e6e6 (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 #340bea 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

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

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

tool url/palettes/new/340bea-a89cc4-dfb34e-281f2d-e9ecf1?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