Color

#340dce

#340dce
hex#340dce
rgbrgb(52, 13, 206)
hslhsl(252, 88%, 43%)
oklchoklch(0.41 0.252 274.4)
Closest name: Busty Blue (#3300cc)Relative luminance 0.0547

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a8ce0d

#0d47ce · #940dce

#ce340d · #0dce34

Split-complementary

Open in tool →

#ce940d · #47ce0d

#ce0d47 · #a8ce0d · #0dce94

Contrast

#340dce as textRatioAAAA largeAAAFix
Aaon white
10.02:1passpasspassPasses AAA — no fix needed.
Aaon black
2.09:1failfailfail
  • AA: use #7b5cf5 as the text (4.69:1)
  • AAA: use #9e87f7 as the text (7.26:1)
  • AA: or shift the background to #b0b0b0 (4.62:1)
  • AAA: or shift the background to #d9d9d9 (7.1:1)

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

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

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

tool url/palettes/new/340dce-a99cc4-dfb64e-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