Color

#4b64aa

#4b64aa
hex#4b64aa
rgbrgb(75, 100, 170)
hslhsl(224, 39%, 48%)
oklchoklch(0.517 0.115 267.5)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1351

Colors that go with #4b64aa

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 →

#aa914b

#4b94aa · #614baa

#aa4b64 · #64aa4b

Split-complementary

Open in tool →

#aa614b · #94aa4b

#aa4b94 · #aa914b · #4baa61

Contrast

#4b64aa as textRatioAAAA largeAAAFix
Aaon white
5.67:1passpassfail
  • AAA: use #405691 as the text (7.1:1)
Aaon black
3.7:1failpassfail
  • AA: use #5c74b7 as the text (4.64:1)
  • AAA: use #8396c9 as the text (7.17:1)
  • AA: or shift the background to #e6e6e6 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b64aa 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

#4b64aa reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b64aa
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 #4b64aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b64aa-9ca2c4-df724e-221f2d-e9eff1?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