Color

#3d36ba

#3d36ba
hex#3d36ba
rgbrgb(61, 54, 186)
hslhsl(243, 55%, 47%)
oklchoklch(0.434 0.198 276.6)
Closest name: Blurple (#5539cc)Relative luminance 0.0718

Colors that go with #3d36ba

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 →

#b3ba36

#3671ba · #7e36ba

#ba3d36 · #36ba3d

Split-complementary

Open in tool →

#ba7e36 · #71ba36

#ba3671 · #b3ba36 · #36ba7e

Contrast

#3d36ba as textRatioAAAA largeAAAFix
Aaon white
8.62:1passpasspassPasses AAA — no fix needed.
Aaon black
2.44:1failfailfail
  • AA: use #6e69d3 as the text (4.62:1)
  • AAA: use #9490df as the text (7.31:1)
  • AA: or shift the background to #bdbdbd (4.59:1)
  • AAA: or shift the background to #e8e8e8 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d36ba 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

#3d36ba reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d36ba
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 #3d36ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d36ba-a39cc4-dfa04e-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