Color

#3465df

#3465df
hex#3465df
rgbrgb(52, 101, 223)
hslhsl(223, 73%, 54%)
oklchoklch(0.545 0.194 264.3)
Closest name: royalblue (#4169e1)Relative luminance 0.1537

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dfaf34

#34badf · #5934df

#df3465 · #65df34

Split-complementary

Open in tool →

#df5934 · #badf34

#df34ba · #dfaf34 · #34df59

Contrast

#3465df as textRatioAAAA largeAAAFix
Aaon white
5.16:1passpassfail
  • AAA: use #1f4ec7 as the text (7.06:1)
Aaon black
4.07:1failpassfail
  • AA: use #416fe1 as the text (4.59:1)
  • AAA: use #7294e9 as the text (7.13:1)
  • AA: or shift the background to #f0f0f0 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3465df as the background.

Brands using this color

Fonts for this mood

#3465df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3465df
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 #3465df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3465df-9ca3c4-df704e-211f2d-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