Color

#406ea5

#406ea5
hex#406ea5
rgbrgb(64, 110, 165)
hslhsl(213, 44%, 45%)
oklchoklch(0.531 0.101 253.9)
Closest name: Blue Triumph (#4376ab)Relative luminance 0.1496

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a57840

#40a0a5 · #4540a5

#a5406e · #6ea540

Split-complementary

Open in tool →

#a54540 · #a0a540

#a540a0 · #a57840 · #40a545

Contrast

#406ea5 as textRatioAAAA largeAAAFix
Aaon white
5.26:1passpassfail
  • AAA: use #355a88 as the text (7.07:1)
Aaon black
3.99:1failpassfail
  • AA: use #4677b4 as the text (4.56:1)
  • AAA: use #739ac9 as the text (7.19:1)
  • AA: or shift the background to #f0f0f0 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #406ea5 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

#406ea5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #406ea5
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 #406ea5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/406ea5-9ca9c4-df584e-1f202d-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