Color

#366dbf

#366dbf
hex#366dbf
rgbrgb(54, 109, 191)
hslhsl(216, 56%, 48%)
oklchoklch(0.54 0.141 258.4)
Closest name: Campanula (#3473b7)Relative luminance 0.1548

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf8836

#36b1bf · #4436bf

#bf366d · #6dbf36

Split-complementary

Open in tool →

#bf4436 · #b1bf36

#bf36b1 · #bf8836 · #36bf44

Contrast

#366dbf as textRatioAAAA largeAAAFix
Aaon white
5.13:1passpassfail
  • AAA: use #2c589b as the text (7.06:1)
Aaon black
4.1:1failpassfail
  • AA: use #3c74c8 as the text (4.52:1)
  • AAA: use #7099d7 as the text (7.23:1)
  • AA: or shift the background to #f2f2f2 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #366dbf 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

#366dbf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #366dbf
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 #366dbf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/366dbf-9ca7c4-df5f4e-201f2d-e9f0f1?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