Color

#3674bf

#3674bf
hex#3674bf
rgbrgb(54, 116, 191)
hslhsl(213, 56%, 48%)
oklchoklch(0.555 0.133 254.8)
Closest name: Campanula (#3473b7)Relative luminance 0.1704

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf8136

#36b8bf · #3d36bf

#bf3674 · #74bf36

Split-complementary

Open in tool →

#bf3d36 · #b8bf36

#bf36b8 · #bf8136 · #36bf3d

Contrast

#3674bf as textRatioAAAA largeAAAFix
Aaon white
4.76:1passpassfail
  • AAA: use #2a5993 as the text (7.12:1)
Aaon black
4.41:1failpassfail
  • AA: use #3776c3 as the text (4.54:1)
  • AAA: use #6899d4 as the text (7.1:1)
  • AA: or shift the background to #fafafa (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3674bf as the background.

Brands using this color

Fonts for this mood

#3674bf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3674bf
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 #3674bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3674bf-9ca9c4-df584e-1f202d-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