Color

#3791ae

#3791ae
hex#3791ae
rgbrgb(55, 145, 174)
hslhsl(195, 52%, 45%)
oklchoklch(0.615 0.094 223)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2412

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ae5537

#37ae91 · #3755ae

#ae3791 · #91ae37

Split-complementary

Open in tool →

#ae3755 · #ae9137

#9137ae · #ae5537 · #55ae37

Contrast

#3791ae as textRatioAAAA largeAAAFix
Aaon white
3.61:1failpassfail
  • AA: use #307d97 as the text (4.66:1)
  • AAA: use #235d70 as the text (7.31:1)
  • AA: or shift the background to #1f1f1f (4.57:1)
Aaon black
5.82:1passpassfail
  • AAA: use #3da1c2 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3791ae as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#3791ae reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3791ae
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 #3791ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3791ae-9cb5c4-df4e70-1f242d-e9f1ef?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