Color

#429fe0

#429fe0
hex#429fe0
rgbrgb(66, 159, 224)
hslhsl(205, 72%, 57%)
oklchoklch(0.676 0.13 242.7)
Closest name: Blue Bay (#619ad6)Relative luminance 0.3134

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e08442

#42e0d3 · #4250e0

#e0429f · #9fe042

Split-complementary

Open in tool →

#e04250 · #e0d342

#d342e0 · #e08442 · #50e042

Contrast

#429fe0 as textRatioAAAA largeAAAFix
Aaon white
2.89:1failfailfail
  • AA: use #1f7bbd as the text (4.54:1)
  • AAA: use #175b8c as the text (7.21:1)
  • AA: or shift the background to #303030 (4.57:1)
  • AAA: or shift the background to #050505 (7.05:1)
Aaon black
7.27:1passpasspassPasses 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 #429fe0 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

#429fe0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #429fe0
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 #429fe0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/429fe0-9cafc4-df4e58-1f212d-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