Color

#345cdf

#345cdf
hex#345cdf
rgbrgb(52, 92, 223)
hslhsl(226, 73%, 54%)
oklchoklch(0.528 0.205 266.3)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1371

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dfb734

#34b2df · #6234df

#df345c · #5cdf34

Split-complementary

Open in tool →

#df6234 · #b2df34

#df34b2 · #dfb734 · #34df62

Contrast

#345cdf as textRatioAAAA largeAAAFix
Aaon white
5.61:1passpassfail
  • AAA: use #2049cf as the text (7.2:1)
Aaon black
3.74:1failpassfail
  • AA: use #4a6ee3 as the text (4.63:1)
  • AAA: use #7691ea as the text (7.01:1)
  • AA: or shift the background to #e8e8e8 (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 #345cdf 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

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

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

tool url/palettes/new/345cdf-9ca1c4-df774e-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