Color

#406abf

#406abf
hex#406abf
rgbrgb(64, 106, 191)
hslhsl(220, 50%, 50%)
oklchoklch(0.538 0.141 262.8)
Closest name: God of Rain (#4466cc)Relative luminance 0.1516

Colors that go with #406abf

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 →

#bf9540

#40aabf · #5540bf

#bf406a · #6abf40

Split-complementary

Open in tool →

#bf5540 · #aabf40

#bf40aa · #bf9540 · #40bf55

Contrast

#406abf as textRatioAAAA largeAAAFix
Aaon white
5.21:1passpassfail
  • AAA: use #34579d as the text (7.01:1)
Aaon black
4.03:1failpassfail
  • AA: use #4b73c3 as the text (4.54:1)
  • AAA: use #7997d2 as the text (7.17:1)
  • AA: or shift the background to #f0f0f0 (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 #406abf as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/406abf-9ca5c4-df694e-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