Color

#3761f6

#3761f6
hex#3761f6
rgbrgb(55, 97, 246)
hslhsl(227, 91%, 59%)
oklchoklch(0.557 0.227 266.6)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1602

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f6cc37

#37c0f6 · #6d37f6

#f63761 · #61f637

Split-complementary

Open in tool →

#f66d37 · #c0f637

#f637c0 · #f6cc37 · #37f66d

Contrast

#3761f6 as textRatioAAAA largeAAAFix
Aaon white
5:1passpassfail
  • AAA: use #0b3def as the text (7.17:1)
Aaon black
4.2:1failpassfail
  • AA: use #4168f6 as the text (4.54:1)
  • AAA: use #7793f9 as the text (7.33:1)
  • AA: or shift the background to #f5f5f5 (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 #3761f6 as the background.

Brands using this color

Fonts for this mood

#3761f6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3761f6
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 #3761f6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3761f6-9ca0c4-df7a4e-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