Color

#3755ae

#3755ae
hex#3755ae
rgbrgb(55, 85, 174)
hslhsl(225, 52%, 45%)
oklchoklch(0.477 0.146 266.8)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1037

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ae9137

#3791ae · #5537ae

#ae3755 · #55ae37

Split-complementary

Open in tool →

#ae5537 · #91ae37

#ae3791 · #ae9137 · #37ae55

Contrast

#3755ae as textRatioAAAA largeAAAFix
Aaon white
6.83:1passpassfail
  • AAA: use #3653ab as the text (7.04:1)
Aaon black
3.07:1failpassfail
  • AA: use #5472c9 as the text (4.63:1)
  • AAA: use #7f95d7 as the text (7.18:1)
  • AA: or shift the background to #d4d4d4 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3755ae 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

#3755ae reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3755ae
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 #3755ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3755ae-9ca1c4-df754e-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