Color

#3e49bb

#3e49bb
hex#3e49bb
rgbrgb(62, 73, 187)
hslhsl(235, 50%, 49%)
oklchoklch(0.467 0.177 273.2)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0938

Colors that go with #3e49bb

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 →

#bbb13e

#3e87bb · #733ebb

#bb3e49 · #49bb3e

Split-complementary

Open in tool →

#bb733e · #87bb3e

#bb3e87 · #bbb13e · #3ebb73

Contrast

#3e49bb as textRatioAAAA largeAAAFix
Aaon white
7.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.88:1failfailfail
  • AA: use #666fcc as the text (4.71:1)
  • AAA: use #8c93d9 as the text (7.29:1)
  • AA: or shift the background to #cccccc (4.55:1)
  • AAA: or shift the background to #fcfcfc (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e49bb 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

#3e49bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e49bb
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 #3e49bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e49bb-9e9cc4-df8d4e-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