Color

#346fb7

#346fb7
hex#346fb7
rgbrgb(52, 111, 183)
hslhsl(213, 56%, 46%)
oklchoklch(0.538 0.129 254.9)
Closest name: Campanula (#3473b7)Relative luminance 0.1552

Colors that go with #346fb7

Charcoal, Firebrick and Sea Green 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 →

#b77c34

#34b0b7 · #3a34b7

#b7346f · #6fb734

Split-complementary

Open in tool →

#b73a34 · #b0b734

#b734b0 · #b77c34 · #34b73a

Contrast

#346fb7 as textRatioAAAA largeAAAFix
Aaon white
5.12:1passpassfail
  • AAA: use #2a5993 as the text (7.12:1)
Aaon black
4.1:1failpassfail
  • AA: use #3776c3 as the text (4.54:1)
  • AAA: use #6899d4 as the text (7.1:1)
  • AA: or shift the background to #f2f2f2 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #346fb7 as the background.

Brands using this color

Fonts for this mood

#346fb7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #346fb7
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 #346fb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/346fb7-9ca9c4-df584e-1f202d-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