Color

#340eaf

#340eaf
hex#340eaf
rgbrgb(52, 14, 175)
hslhsl(254, 85%, 37%)
oklchoklch(0.373 0.219 277.9)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0414

Tints & shades

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

Harmonies

Complementary

Open in tool →

#89af0e

#0e39af · #840eaf

#af340e · #0eaf34

Split-complementary

Open in tool →

#af840e · #39af0e

#af0e39 · #89af0e · #0eaf84

Contrast

#340eaf as textRatioAAAA largeAAAFix
Aaon white
11.49:1passpasspassPasses AAA — no fix needed.
Aaon black
1.83:1failfailfail
  • AA: use #7d5af2 as the text (4.62:1)
  • AAA: use #9f84f5 as the text (7.09:1)
  • AA: or shift the background to #a3a3a3 (4.55:1)
  • AAA: or shift the background to #cccccc (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 #340eaf 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

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

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

tool url/palettes/new/340eaf-aa9cc4-dfbb4e-291f2d-e9ebf1?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