Color

#3776cd

#3776cd
hex#3776cd
rgbrgb(55, 118, 205)
hslhsl(215, 60%, 51%)
oklchoklch(0.569 0.149 257.2)
Closest name: Campanula (#3473b7)Relative luminance 0.1818

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd8f37

#37c1cd · #4437cd

#cd3776 · #76cd37

Split-complementary

Open in tool →

#cd4437 · #c1cd37

#cd37c1 · #cd8f37 · #37cd44

Contrast

#3776cd as textRatioAAAA largeAAAFix
Aaon white
4.53:1passpassfail
  • AAA: use #27579b as the text (7.18:1)
Aaon black
4.64:1passpassfail
  • AAA: use #6897d9 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3776cd as the background.

Brands using this color

Fonts for this mood

#3776cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3776cd
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 #3776cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3776cd-9ca8c4-df5d4e-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