Color

#3499fe

#3499fe
hex#3499fe
rgbrgb(52, 153, 254)
hslhsl(210, 99%, 60%)
oklchoklch(0.675 0.175 252.2)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3067

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fe9934

#34fefe · #3434fe

#fe3499 · #99fe34

Split-complementary

Open in tool →

#fe3434 · #fefe34

#fe34fe · #fe9934 · #34fe34

Contrast

#3499fe as textRatioAAAA largeAAAFix
Aaon white
2.94:1failfailfail
  • AA: use #0173e4 as the text (4.59:1)
  • AAA: use #0157ad as the text (7.08:1)
  • AA: or shift the background to #2e2e2e (4.61:1)
  • AAA: or shift the background to #030303 (7.01:1)
Aaon black
7.13:1passpasspassPasses 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 #3499fe as the background.

Brands using this color

Fonts for this mood

#3499fe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3499fe
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 #3499fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3499fe-9cabc4-df514e-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