Color

#334d94

#334d94
hex#334d94
rgbrgb(51, 77, 148)
hslhsl(224, 49%, 39%)
oklchoklch(0.439 0.121 266.4)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0815

Colors that go with #334d94

Charcoal, Sea Green and Steel Blue 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 →

#947a33

#337d94 · #493394

#94334d · #4d9433

Split-complementary

Open in tool →

#944933 · #7d9433

#94337d · #947a33 · #339449

Contrast

#334d94 as textRatioAAAA largeAAAFix
Aaon white
7.98:1passpasspassPasses AAA — no fix needed.
Aaon black
2.63:1failfailfail
  • AA: use #5472c4 as the text (4.58:1)
  • AAA: use #7e94d3 as the text (7.06:1)
  • AA: or shift the background to #c4c4c4 (4.58:1)
  • AAA: or shift the background to #f0f0f0 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #334d94 as the background.

Brands using this color

Fonts for this mood

#334d94 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #334d94
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 #334d94 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/334d94-9ca2c4-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