Color

#3259b3

#3259b3
hex#3259b3
rgbrgb(50, 89, 179)
hslhsl(222, 56%, 45%)
oklchoklch(0.486 0.15 264)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1108

Colors that go with #3259b3

Charcoal, Sea Green and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b38c32

#3299b3 · #4c32b3

#b33259 · #59b332

Split-complementary

Open in tool →

#b34c32 · #99b332

#b33299 · #b38c32 · #32b34c

Contrast

#3259b3 as textRatioAAAA largeAAAFix
Aaon white
6.53:1passpassfail
  • AAA: use #2f53a7 as the text (7.2:1)
Aaon black
3.22:1failpassfail
  • AA: use #4c73cd as the text (4.64:1)
  • AAA: use #7895d9 as the text (7.1:1)
  • AA: or shift the background to #d9d9d9 (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3259b3 as the background.

Brands using this color

Fonts for this mood

#3259b3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3259b3
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3259b3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3259b3-9ca3c4-df6e4e-211f2d-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