Color

#3e4eb6

#3e4eb6
hex#3e4eb6
rgbrgb(62, 78, 182)
hslhsl(232, 49%, 48%)
oklchoklch(0.473 0.164 271.9)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0985

Colors that go with #3e4eb6

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 →

#b6a63e

#3e8ab6 · #6a3eb6

#b63e4e · #4eb63e

Split-complementary

Open in tool →

#b66a3e · #8ab63e

#b63e8a · #b6a63e · #3eb66a

Contrast

#3e4eb6 as textRatioAAAA largeAAAFix
Aaon white
7.07:1passpasspassPasses AAA — no fix needed.
Aaon black
2.97:1failfailfail
  • AA: use #5f6dc8 as the text (4.51:1)
  • AAA: use #8994d7 as the text (7.28:1)
  • AA: or shift the background to #cfcfcf (4.54:1)
  • AAA: or shift the background to #ffffff (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e4eb6 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

#3e4eb6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e4eb6
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 #3e4eb6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e4eb6-9c9dc4-df864e-231f2d-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