Color

#3956db

#3956db
hex#3956db
rgbrgb(57, 86, 219)
hslhsl(229, 69%, 54%)
oklchoklch(0.515 0.205 268.6)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1264

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dbbd39

#39a7db · #6c39db

#db3956 · #56db39

Split-complementary

Open in tool →

#db6c39 · #a7db39

#db39a7 · #dbbd39 · #39db6c

Contrast

#3956db as textRatioAAAA largeAAAFix
Aaon white
5.95:1passpassfail
Aaon black
3.53:1failpassfail
  • AA: use #536cdf as the text (4.58:1)
  • AAA: use #7e91e7 as the text (7.09:1)
  • AA: or shift the background to #e0e0e0 (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 #3956db 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

#3956db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3956db
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 #3956db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3956db-9c9fc4-df7e4e-231f2d-e9eef1?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