Color

#345eda

#345eda
hex#345eda
rgbrgb(52, 94, 218)
hslhsl(225, 69%, 53%)
oklchoklch(0.527 0.196 265.7)
Closest name: Royal Blue (#4169e1)Relative luminance 0.138

Colors that go with #345eda

Charcoal, Sea Green and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dab034

#34b0da · #5e34da

#da345e · #5eda34

Split-complementary

Open in tool →

#da5e34 · #b0da34

#da34b0 · #dab034 · #34da5e

Contrast

#345eda as textRatioAAAA largeAAAFix
Aaon white
5.59:1passpassfail
  • AAA: use #244dc6 as the text (7.11:1)
Aaon black
3.76:1failpassfail
  • AA: use #4a6fde as the text (4.62:1)
  • AAA: use #7995e6 as the text (7.25:1)
  • AA: or shift the background to #e8e8e8 (4.56:1)

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

Brands using this color

Fonts for this mood

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

mcpConnect your agent — build around #345eda
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #345eda and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/345eda-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