Color

#345ccb

#345ccb
hex#345ccb
rgbrgb(52, 92, 203)
hslhsl(224, 59%, 50%)
oklchoklch(0.512 0.178 265.5)
Closest name: God of Rain (#4466cc)Relative luminance 0.127

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cba334

#34a8cb · #5734cb

#cb345c · #5ccb34

Split-complementary

Open in tool →

#cb5734 · #a8cb34

#cb34a8 · #cba334 · #34cb57

Contrast

#345ccb as textRatioAAAA largeAAAFix
Aaon white
5.93:1passpassfail
  • AAA: use #2e51b2 as the text (7.15:1)
Aaon black
3.54:1failpassfail
  • AA: use #4d70d1 as the text (4.55:1)
  • AAA: use #7994dc as the text (7.08:1)
  • AA: or shift the background to #e3e3e3 (4.62:1)

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

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

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

tool url/palettes/new/345ccb-9ca2c4-df724e-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