Color

#406691

#406691
hex#406691
rgbrgb(64, 102, 145)
hslhsl(212, 39%, 41%)
oklchoklch(0.501 0.082 252.5)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1264

Colors that go with #406691

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#916b40

#408f91 · #424091

#914066 · #669140

Split-complementary

Open in tool →

#914240 · #8f9140

#91408f · #916b40 · #409142

Contrast

#406691 as textRatioAAAA largeAAAFix
Aaon white
5.95:1passpassfail
  • AAA: use #385980 as the text (7.22:1)
Aaon black
3.53:1failpassfail
  • AA: use #4b77aa as the text (4.52:1)
  • AAA: use #7599c2 as the text (7.09:1)
  • AA: or shift the background to #e0e0e0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #406691 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#406691 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #406691
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 #406691 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/406691-9caac4-df564e-1f202d-e9f1f1?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