Color

#343ada

#343ada
hex#343ada
rgbrgb(52, 58, 218)
hslhsl(238, 69%, 53%)
oklchoklch(0.467 0.235 271.2)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0882

Colors that go with #343ada

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 →

#dad434

#348dda · #8234da

#da343a · #3ada34

Split-complementary

Open in tool →

#da8234 · #8dda34

#da348d · #dad434 · #34da82

Contrast

#343ada as textRatioAAAA largeAAAFix
Aaon white
7.6:1passpasspassPasses AAA — no fix needed.
Aaon black
2.76:1failfailfail
  • AA: use #6468e3 as the text (4.63:1)
  • AAA: use #8b8eea as the text (7.16:1)
  • AA: or shift the background to #c9c9c9 (4.59:1)
  • AAA: or shift the background to #f7f7f7 (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 #343ada 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

#343ada reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #343ada
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 #343ada and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/343ada-9f9cc4-df944e-251f2d-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