Color

#342be3

#342be3
hex#342be3
rgbrgb(52, 43, 227)
hslhsl(243, 77%, 53%)
oklchoklch(0.458 0.258 271.8)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.08

Colors that go with #342be3

Charcoal, Sea Green and Amber 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 →

#dae32b

#2b7ee3 · #902be3

#e3342b · #2be334

Split-complementary

Open in tool →

#e3902b · #7ee32b

#e32b7e · #dae32b · #2be390

Contrast

#342be3 as textRatioAAAA largeAAAFix
Aaon white
8.07:1passpasspassPasses AAA — no fix needed.
Aaon black
2.6:1failfailfail
  • AA: use #6c66eb as the text (4.74:1)
  • AAA: use #8f8af0 as the text (7.06:1)
  • AA: or shift the background to #c2c2c2 (4.53:1)
  • AAA: or shift the background to #f0f0f0 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #342be3 as the background.

Brands using this color

Fonts for this mood

#342be3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #342be3
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 #342be3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/342be3-a39cc4-dfa04e-261f2d-e9edf1?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