Color

#406fd4

#406fd4
hex#406fd4
rgbrgb(64, 111, 212)
hslhsl(221, 63%, 54%)
oklchoklch(0.562 0.164 263.3)
Closest name: God of Rain (#4466cc)Relative luminance 0.1721

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d4a540

#40b9d4 · #5b40d4

#d4406f · #6fd440

Split-complementary

Open in tool →

#d45b40 · #b9d440

#d440b9 · #d4a540 · #40d45b

Contrast

#406fd4 as textRatioAAAA largeAAAFix
Aaon white
4.73:1passpassfail
  • AAA: use #2852af as the text (7.2:1)
Aaon black
4.44:1failpassfail
  • AA: use #4472d5 as the text (4.61:1)
  • AAA: use #7294df as the text (7.02:1)
  • AA: or shift the background to #fafafa (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #406fd4 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

#406fd4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #406fd4
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 #406fd4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/406fd4-9ca4c4-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