Color

#405e96

#405e96
hex#405e96
rgbrgb(64, 94, 150)
hslhsl(219, 40%, 42%)
oklchoklch(0.485 0.097 262)
Closest name: Dusk (#4e5481)Relative luminance 0.113

Colors that go with #405e96

Charcoal, Sea Green and Sienna 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.

Real palettes that use #405e96

Tints & shades

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

Harmonies

Complementary

Open in tool →

#967840

#408996 · #4d4096

#96405e · #5e9640

Split-complementary

Open in tool →

#964d40 · #899640

#964089 · #967840 · #40964d

Contrast

#405e96 as textRatioAAAA largeAAAFix
Aaon white
6.44:1passpassfail
  • AAA: use #3c588b as the text (7.09:1)
Aaon black
3.26:1failpassfail
  • AA: use #5476b6 as the text (4.64:1)
  • AAA: use #7e98c8 as the text (7.21:1)
  • AA: or shift the background to #d9d9d9 (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 #405e96 as the background.

Brands using this color

Fonts for this mood

#405e96 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #405e96
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 #405e96 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/405e96-9ca5c4-df664e-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