Color

#429eff

#429eff
hex#429eff
rgbrgb(66, 158, 255)
hslhsl(211, 100%, 63%)
oklchoklch(0.69 0.167 252.5)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3283

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffa442

#42fcff · #4542ff

#ff429e · #9eff42

Split-complementary

Open in tool →

#ff4542 · #fcff42

#ff42fc · #ffa442 · #42ff45

Contrast

#429eff as textRatioAAAA largeAAAFix
Aaon white
2.78:1failfailfail
  • AA: use #0071eb as the text (4.6:1)
  • AAA: use #0056b3 as the text (7.04:1)
  • AA: or shift the background to #333333 (4.55:1)
  • AAA: or shift the background to #0d0d0d (7:1)
Aaon black
7.57:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #429eff 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

#429eff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #429eff
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 #429eff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/429eff-9cabc4-df534e-1f202d-e9f1f1?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