Color

#345eb2

#345eb2
hex#345eb2
rgbrgb(52, 94, 178)
hslhsl(220, 55%, 45%)
oklchoklch(0.497 0.142 262.5)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1195

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b28834

#349db2 · #4934b2

#b2345e · #5eb234

Split-complementary

Open in tool →

#b24934 · #9db234

#b2349d · #b28834 · #34b249

Contrast

#345eb2 as textRatioAAAA largeAAAFix
Aaon white
6.19:1passpassfail
  • AAA: use #2f55a2 as the text (7.14:1)
Aaon black
3.39:1failpassfail
  • AA: use #4974ca as the text (4.63:1)
  • AAA: use #7595d7 as the text (7.04:1)
  • AA: or shift the background to #dedede (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #345eb2 as the background.

Brands using this color

Fonts for this mood

#345eb2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #345eb2
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 #345eb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/345eb2-9ca5c4-df694e-211f2d-e9f0f1?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