Color

#3853b2

#3853b2
hex#3853b2
rgbrgb(56, 83, 178)
hslhsl(227, 52%, 46%)
oklchoklch(0.476 0.154 268.1)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1024

Colors that go with #3853b2

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 →

#b29838

#3890b2 · #5b38b2

#b23853 · #53b238

Split-complementary

Open in tool →

#b25b38 · #90b238

#b23890 · #b29838 · #38b25b

Contrast

#3853b2 as textRatioAAAA largeAAAFix
Aaon white
6.89:1passpassfail
  • AAA: use #3751ae as the text (7.12:1)
Aaon black
3.05:1failpassfail
  • AA: use #5871ca as the text (4.63:1)
  • AAA: use #8395d8 as the text (7.26:1)
  • AA: or shift the background to #d1d1d1 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3853b2 as the background.

Brands using this color

Fonts for this mood

#3853b2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3853b2
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 #3853b2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3853b2-9ca0c4-df7a4e-221f2d-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