Color

#345fdf

#345fdf
hex#345fdf
rgbrgb(52, 95, 223)
hslhsl(225, 73%, 54%)
oklchoklch(0.533 0.201 265.7)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1424

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dfb534

#34b5df · #5f34df

#df345f · #5fdf34

Split-complementary

Open in tool →

#df5f34 · #b5df34

#df34b5 · #dfb534 · #34df5f

Contrast

#345fdf as textRatioAAAA largeAAAFix
Aaon white
5.46:1passpassfail
  • AAA: use #204ccf as the text (7.01:1)
Aaon black
3.85:1failpassfail
  • AA: use #466de2 as the text (4.55:1)
  • AAA: use #7693ea as the text (7.13:1)
  • AA: or shift the background to #ebebeb (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #345fdf 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

#345fdf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #345fdf
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 #345fdf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/345fdf-9ca1c4-df754e-221f2d-e9eff1?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