Color

#406fbf

#406fbf
hex#406fbf
rgbrgb(64, 111, 191)
hslhsl(218, 50%, 50%)
oklchoklch(0.548 0.135 260.4)
Closest name: Campanula (#3473b7)Relative luminance 0.1622

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf9140

#40aebf · #5140bf

#bf406e · #6fbf40

Split-complementary

Open in tool →

#bf5140 · #aebf40

#bf40ae · #bf9140 · #40bf51

Contrast

#406fbf as textRatioAAAA largeAAAFix
Aaon white
4.95:1passpassfail
  • AAA: use #335899 as the text (7.01:1)
Aaon black
4.24:1failpassfail
  • AA: use #4774c2 as the text (4.55:1)
  • AAA: use #7597d1 as the text (7.1:1)
  • AA: or shift the background to #f5f5f5 (4.54:1)

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

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

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

tool url/palettes/new/406fbf-9ca6c4-df644e-201f2d-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