Color

#4b4fce

#4b4fce
hex#4b4fce
rgbrgb(75, 79, 206)
hslhsl(238, 57%, 55%)
oklchoklch(0.502 0.192 275.6)
Closest name: Blurple (#5539cc)Relative luminance 0.1154

Colors that go with #4b4fce

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 →

#cec94b

#4b91ce · #884bce

#ce4b4f · #4fce4b

Split-complementary

Open in tool →

#ce884b · #91ce4b

#ce4b91 · #cec94b · #4bce88

Contrast

#4b4fce as textRatioAAAA largeAAAFix
Aaon white
6.35:1passpassfail
  • AAA: use #3f43ca as the text (7.32:1)
Aaon black
3.31:1failpassfail
  • AA: use #676bd5 as the text (4.64:1)
  • AAA: use #8b8edf as the text (7.03:1)
  • AA: or shift the background to #dbdbdb (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b4fce as the background.

Brands using this color

Fonts for this mood

#4b4fce reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b4fce
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 #4b4fce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b4fce-9f9cc4-df944e-251f2d-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