Color

#3275b3

#3275b3
hex#3275b3
rgbrgb(50, 117, 179)
hslhsl(209, 56%, 45%)
oklchoklch(0.549 0.118 249.4)
Closest name: Campanula (#3473b7)Relative luminance 0.1666

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b37132

#32b3b1 · #3235b3

#b33275 · #75b332

Split-complementary

Open in tool →

#b33235 · #b3b132

#b132b3 · #b37132 · #35b332

Contrast

#3275b3 as textRatioAAAA largeAAAFix
Aaon white
4.85:1passpassfail
  • AAA: use #275b8b as the text (7.11:1)
Aaon black
4.33:1failpassfail
  • AA: use #357abb as the text (4.65:1)
  • AAA: use #609bd2 as the text (7.12:1)
  • AA: or shift the background to #f7f7f7 (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 #3275b3 as the background.

Brands using this color

Fonts for this mood

#3275b3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3275b3
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 #3275b3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3275b3-9cacc4-df4e4e-1f212d-e9f1f1?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