Color

#3e36ab

#3e36ab
hex#3e36ab
rgbrgb(62, 54, 171)
hslhsl(244, 52%, 44%)
oklchoklch(0.421 0.179 278.4)
Closest name: Bluebell (#333399)Relative luminance 0.066

Colors that go with #3e36ab

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 →

#a3ab36

#3668ab · #7836ab

#ab3e36 · #36ab3e

Split-complementary

Open in tool →

#ab7836 · #68ab36

#ab3668 · #a3ab36 · #36ab78

Contrast

#3e36ab as textRatioAAAA largeAAAFix
Aaon white
9.05:1passpasspassPasses AAA — no fix needed.
Aaon black
2.32:1failfailfail
  • AA: use #6f68cf as the text (4.56:1)
  • AAA: use #948fdc as the text (7.22:1)
  • AA: or shift the background to #b8b8b8 (4.56:1)
  • AAA: or shift the background to #e3e3e3 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e36ab 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

#3e36ab reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e36ab
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 #3e36ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e36ab-a39cc4-dfa24e-261f2d-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