Color

#4050ba

#4050ba
hex#4050ba
rgbrgb(64, 80, 186)
hslhsl(232, 49%, 49%)
oklchoklch(0.481 0.167 272.1)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1037

Colors that go with #4050ba

Charcoal, Sea Green and Amber 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 →

#baaa40

#408dba · #6d40ba

#ba4050 · #50ba40

Split-complementary

Open in tool →

#ba6d40 · #8dba40

#ba408d · #baaa40 · #40ba6d

Contrast

#4050ba as textRatioAAAA largeAAAFix
Aaon white
6.83:1passpassfail
  • AAA: use #3e4eb6 as the text (7.07:1)
Aaon black
3.07:1failpassfail
  • AA: use #5f6dc8 as the text (4.51:1)
  • AAA: use #8994d7 as the text (7.28:1)
  • AA: or shift the background to #d4d4d4 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4050ba 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

#4050ba reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4050ba
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 #4050ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4050ba-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