Color

#334eff

#334eff
hex#334eff
rgbrgb(51, 78, 255)
hslhsl(232, 100%, 60%)
oklchoklch(0.532 0.26 268.2)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1337

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffe433

#33b4ff · #7e33ff

#ff334e · #4eff33

Split-complementary

Open in tool →

#ff7e33 · #b4ff33

#ff33b4 · #ffe433 · #33ff7e

Contrast

#334eff as textRatioAAAA largeAAAFix
Aaon white
5.72:1passpassfail
  • AAA: use #1434ff as the text (7.08:1)
Aaon black
3.67:1failpassfail
  • AA: use #4d64ff as the text (4.58:1)
  • AAA: use #7a8cff as the text (7.02:1)
  • AA: or shift the background to #e6e6e6 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #334eff 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

#334eff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #334eff
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 #334eff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/334eff-9c9dc4-df864e-231f2d-e9eef1?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