Color

#406a96

#406a96
hex#406a96
rgbrgb(64, 106, 150)
hslhsl(211, 40%, 42%)
oklchoklch(0.513 0.085 250.8)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.136

Colors that go with #406a96

Charcoal, Sienna 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 →

#966d40

#409596 · #424096

#96406a · #6a9640

Split-complementary

Open in tool →

#964240 · #959640

#964095 · #966d40 · #409642

Contrast

#406a96 as textRatioAAAA largeAAAFix
Aaon white
5.65:1passpassfail
  • AAA: use #375b81 as the text (7.06:1)
Aaon black
3.72:1failpassfail
  • AA: use #4979ab as the text (4.61:1)
  • AAA: use #749ac3 as the text (7.15:1)
  • AA: or shift the background to #e6e6e6 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #406a96 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#406a96 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #406a96
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 #406a96 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/406a96-9cabc4-df534e-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