Color

#3498ea

#3498ea
hex#3498ea
rgbrgb(52, 152, 234)
hslhsl(207, 81%, 56%)
oklchoklch(0.661 0.152 247.7)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.2913

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ea8634

#34eae1 · #343dea

#ea3498 · #98ea34

Split-complementary

Open in tool →

#ea343d · #eae134

#e134ea · #ea8634 · #3dea34

Contrast

#3498ea as textRatioAAAA largeAAAFix
Aaon white
3.08:1failpassfail
  • AA: use #1579cb as the text (4.54:1)
  • AAA: use #105b98 as the text (7.07:1)
  • AA: or shift the background to #2b2b2b (4.6:1)
Aaon black
6.83:1passpassfail
  • AAA: use #3d9deb as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3498ea 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

#3498ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3498ea
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 #3498ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3498ea-9cadc4-df4e53-1f212d-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