Color

#429fd1

#429fd1
hex#429fd1
rgbrgb(66, 159, 209)
hslhsl(201, 61%, 54%)
oklchoklch(0.668 0.114 235.7)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3056

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d17442

#42d1bc · #4258d1

#d1429f · #9fd142

Split-complementary

Open in tool →

#d14258 · #d1bc42

#bc42d1 · #d17442 · #58d142

Contrast

#429fd1 as textRatioAAAA largeAAAFix
Aaon white
2.95:1failfailfail
  • AA: use #297ca8 as the text (4.62:1)
  • AAA: use #1f5e7f as the text (7.08:1)
  • AA: or shift the background to #2e2e2e (4.6:1)
  • AAA: or shift the background to #000000 (7.11:1)
Aaon black
7.11:1passpasspassPasses 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 #429fd1 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

#429fd1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #429fd1
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 #429fd1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/429fd1-9cb1c4-df4e62-1f222d-e9f1f0?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