Color

#4a40bf

#4a40bf
hex#4a40bf
rgbrgb(74, 64, 191)
hslhsl(245, 50%, 50%)
oklchoklch(0.464 0.191 279.4)
Closest name: Blurple (#5539cc)Relative luminance 0.0888

Colors that go with #4a40bf

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 →

#b5bf40

#4075bf · #8a40bf

#bf4a40 · #40bf4a

Split-complementary

Open in tool →

#bf8a40 · #75bf40

#bf4075 · #b5bf40 · #40bf8a

Contrast

#4a40bf as textRatioAAAA largeAAAFix
Aaon white
7.56:1passpasspassPasses AAA — no fix needed.
Aaon black
2.78:1failfailfail
  • AA: use #726acd as the text (4.66:1)
  • AAA: use #9690da as the text (7.3:1)
  • AA: or shift the background to #c9c9c9 (4.57:1)
  • AAA: or shift the background to #f7f7f7 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4a40bf 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

#4a40bf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4a40bf
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 #4a40bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4a40bf-a49cc4-dfa54e-261f2d-e9ecf1?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