Color

#3769cd

#3769cd
hex#3769cd
rgbrgb(55, 105, 205)
hslhsl(220, 60%, 51%)
oklchoklch(0.541 0.164 262.4)
Closest name: God of Rain (#4466cc)Relative luminance 0.1532

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd9b37

#37b4cd · #5037cd

#cd3769 · #69cd37

Split-complementary

Open in tool →

#cd5037 · #b4cd37

#cd37b4 · #cd9b37 · #37cd50

Contrast

#3769cd as textRatioAAAA largeAAAFix
Aaon white
5.17:1passpassfail
  • AAA: use #2a54a7 as the text (7.18:1)
Aaon black
4.06:1failpassfail
  • AA: use #4372d0 as the text (4.56:1)
  • AAA: use #7497dc as the text (7.2:1)
  • AA: or shift the background to #f0f0f0 (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 #3769cd 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

#3769cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3769cd
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 #3769cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3769cd-9ca5c4-df694e-211f2d-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