Color

#3660a1

#3660a1
hex#3660a1
rgbrgb(54, 96, 161)
hslhsl(216, 50%, 42%)
oklchoklch(0.491 0.115 258.9)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1172

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a17636

#3696a1 · #4036a1

#a13660 · #60a136

Split-complementary

Open in tool →

#a14036 · #96a136

#a13696 · #a17636 · #36a140

Contrast

#3660a1 as textRatioAAAA largeAAAFix
Aaon white
6.28:1passpassfail
  • AAA: use #305791 as the text (7.25:1)
Aaon black
3.34:1failpassfail
  • AA: use #4476c1 as the text (4.61:1)
  • AAA: use #7197d0 as the text (7.04:1)
  • AA: or shift the background to #dbdbdb (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3660a1 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

#3660a1 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3660a1
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 #3660a1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3660a1-9ca7c4-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