Color

#396cdb

#396cdb
hex#396cdb
rgbrgb(57, 108, 219)
hslhsl(221, 69%, 54%)
oklchoklch(0.558 0.179 263.2)
Closest name: royalblue (#4169e1)Relative luminance 0.1671

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dba739

#39bddb · #5639db

#db396c · #6cdb39

Split-complementary

Open in tool →

#db5639 · #bddb39

#db39bd · #dba739 · #39db56

Contrast

#396cdb as textRatioAAAA largeAAAFix
Aaon white
4.84:1passpassfail
  • AAA: use #2252b9 as the text (7.06:1)
Aaon black
4.34:1failpassfail
  • AA: use #4172dc as the text (4.67:1)
  • AAA: use #7196e5 as the text (7.2:1)
  • AA: or shift the background to #f7f7f7 (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 #396cdb 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

#396cdb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #396cdb
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 #396cdb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/396cdb-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