Color

#3856cc

#3856cc
hex#3856cc
rgbrgb(56, 86, 204)
hslhsl(228, 59%, 51%)
oklchoklch(0.502 0.186 268.1)
Closest name: God of Rain (#4466cc)Relative luminance 0.1186

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ccae38

#38a0cc · #6538cc

#cc3856 · #56cc38

Split-complementary

Open in tool →

#cc6538 · #a0cc38

#cc38a0 · #ccae38 · #38cc65

Contrast

#3856cc as textRatioAAAA largeAAAFix
Aaon white
6.23:1passpassfail
  • AAA: use #314dbf as the text (7.13:1)
Aaon black
3.37:1failpassfail
  • AA: use #556ed3 as the text (4.56:1)
  • AAA: use #8194df as the text (7.23:1)
  • AA: or shift the background to #dedede (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3856cc 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

#3856cc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3856cc
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 #3856cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3856cc-9c9fc4-df7c4e-231f2d-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