Color

#406dce

#406dce
hex#406dce
rgbrgb(64, 109, 206)
hslhsl(221, 59%, 53%)
oklchoklch(0.554 0.158 263.4)
Closest name: God of Rain (#4466cc)Relative luminance 0.1648

Colors that go with #406dce

Charcoal, Sea Green 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 →

#cea140

#40b4ce · #5a40ce

#ce406d · #6dce40

Split-complementary

Open in tool →

#ce5a40 · #b4ce40

#ce40b4 · #cea140 · #40ce5a

Contrast

#406dce as textRatioAAAA largeAAAFix
Aaon white
4.89:1passpassfail
  • AAA: use #2c54aa as the text (7.1:1)
Aaon black
4.3:1failpassfail
  • AA: use #4973d0 as the text (4.65:1)
  • AAA: use #7596db as the text (7.14:1)
  • AA: or shift the background to #f7f7f7 (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 #406dce as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

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

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

tool url/palettes/new/406dce-9ca4c4-df6b4e-211f2d-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