Color

#406ca5

#406ca5
hex#406ca5
rgbrgb(64, 108, 165)
hslhsl(214, 44%, 45%)
oklchoklch(0.526 0.103 255.5)
Closest name: Blue Triumph (#4376ab)Relative luminance 0.1453

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a57940

#409fa5 · #4740a5

#a5406c · #6ca540

Split-complementary

Open in tool →

#a54740 · #9fa540

#a5409f · #a57940 · #40a547

Contrast

#406ca5 as textRatioAAAA largeAAAFix
Aaon white
5.38:1passpassfail
  • AAA: use #355988 as the text (7.15:1)
Aaon black
3.91:1failpassfail
  • AA: use #4676b4 as the text (4.51:1)
  • AAA: use #7398c9 as the text (7.06:1)
  • AA: or shift the background to #ebebeb (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 #406ca5 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#406ca5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #406ca5
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #406ca5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/406ca5-9ca9c4-df5a4e-1f1f2d-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