Color

#366aa6

#366aa6
hex#366aa6
rgbrgb(54, 106, 166)
hslhsl(212, 51%, 43%)
oklchoklch(0.518 0.111 253.5)
Closest name: Campanula (#3473b7)Relative luminance 0.1385

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a67136

#36a2a6 · #3936a6

#a6366a · #6aa636

Split-complementary

Open in tool →

#a63936 · #a2a636

#a636a2 · #a67136 · #36a639

Contrast

#366aa6 as textRatioAAAA largeAAAFix
Aaon white
5.57:1passpassfail
  • AAA: use #2d598b as the text (7.21:1)
Aaon black
3.77:1failpassfail
  • AA: use #3d79bd as the text (4.67:1)
  • AAA: use #6d9bd0 as the text (7.25:1)
  • AA: or shift the background to #e8e8e8 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #366aa6 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

#366aa6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #366aa6
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 #366aa6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/366aa6-9caac4-df564e-1f202d-e9f1f1?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