Color

#405ec9

#405ec9
hex#405ec9
rgbrgb(64, 94, 201)
hslhsl(227, 56%, 52%)
oklchoklch(0.52 0.17 268.2)
Closest name: God of Rain (#4466cc)Relative luminance 0.1331

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c9ab40

#40a2c9 · #6740c9

#c9405e · #5ec940

Split-complementary

Open in tool →

#c96740 · #a2c940

#c940a2 · #c9ab40 · #40c967

Contrast

#405ec9 as textRatioAAAA largeAAAFix
Aaon white
5.73:1passpassfail
  • AAA: use #3450b7 as the text (7.05:1)
Aaon black
3.66:1failpassfail
  • AA: use #546fcf as the text (4.55:1)
  • AAA: use #8094db as the text (7.18:1)
  • AA: or shift the background to #e6e6e6 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #405ec9 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

#405ec9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #405ec9
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 #405ec9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/405ec9-9ca0c4-df7a4e-221f2d-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