Color

#3838bc

#3838bc
hex#3838bc
rgbrgb(56, 56, 188)
hslhsl(240, 54%, 48%)
oklchoklch(0.436 0.2 274.3)
Closest name: Blurple (#5539cc)Relative luminance 0.073

Colors that go with #3838bc

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.

Real palettes that use #3838bc

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bcbc38

#387abc · #7a38bc

#bc3838 · #38bc38

Split-complementary

Open in tool →

#bc7a38 · #7abc38

#bc387a · #bcbc38 · #38bc7a

Contrast

#3838bc as textRatioAAAA largeAAAFix
Aaon white
8.54:1passpasspassPasses AAA — no fix needed.
Aaon black
2.46:1failfailfail
  • AA: use #6a6ad2 as the text (4.61:1)
  • AAA: use #9191de as the text (7.31:1)
  • AA: or shift the background to #bdbdbd (4.54:1)
  • AAA: or shift the background to #ebebeb (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3838bc 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

#3838bc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3838bc
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 #3838bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3838bc-a19cc4-df994e-251f2d-e9edf1?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