Color

#3846bc

#3846bc
hex#3846bc
rgbrgb(56, 70, 188)
hslhsl(234, 54%, 48%)
oklchoklch(0.459 0.184 271.7)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0885

Colors that go with #3846bc

Charcoal, Sea Green and Steel Blue 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 →

#bcaf38

#3888bc · #6d38bc

#bc3846 · #46bc38

Split-complementary

Open in tool →

#bc6d38 · #88bc38

#bc3888 · #bcaf38 · #38bc6d

Contrast

#3846bc as textRatioAAAA largeAAAFix
Aaon white
7.58:1passpasspassPasses AAA — no fix needed.
Aaon black
2.77:1failfailfail
  • AA: use #626dd0 as the text (4.62:1)
  • AAA: use #8991dc as the text (7.15:1)
  • AA: or shift the background to #c9c9c9 (4.58:1)
  • AAA: or shift the background to #f7f7f7 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3846bc 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

#3846bc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3846bc
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 #3846bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3846bc-9d9cc4-df8a4e-241f2d-e9eef1?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