Color

#3865fa

#3865fa
hex#3865fa
rgbrgb(56, 101, 250)
hslhsl(226, 95%, 60%)
oklchoklch(0.568 0.227 266.2)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1705

Tints & shades

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

Harmonies

Complementary

Open in tool →

#facd38

#38c6fa · #6c38fa

#fa3865 · #65fa38

Split-complementary

Open in tool →

#fa6c38 · #c6fa38

#fa38c6 · #facd38 · #38fa6c

Contrast

#3865fa as textRatioAAAA largeAAAFix
Aaon white
4.76:1passpassfail
  • AAA: use #063cef as the text (7.24:1)
Aaon black
4.41:1failpassfail
  • AA: use #3d69fa as the text (4.6:1)
  • AAA: use #6f90fb as the text (7.06:1)
  • AA: or shift the background to #fafafa (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3865fa 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

#3865fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3865fa
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 #3865fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3865fa-9ca1c4-df774e-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