Color

#4c5ce6

#4c5ce6
hex#4c5ce6
rgbrgb(76, 92, 230)
hslhsl(234, 75%, 60%)
oklchoklch(0.545 0.207 272.4)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.149

Colors that go with #4c5ce6

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 →

#e6d64c

#4ca8e6 · #8a4ce6

#e64c5c · #5ce64c

Split-complementary

Open in tool →

#e68a4c · #a8e64c

#e64ca8 · #e6d64c · #4ce68a

Contrast

#4c5ce6 as textRatioAAAA largeAAAFix
Aaon white
5.28:1passpassfail
  • AAA: use #2d3fe1 as the text (7.22:1)
Aaon black
3.98:1failpassfail
  • AA: use #5a68e7 as the text (4.57:1)
  • AAA: use #8791ee as the text (7.31:1)
  • AA: or shift the background to #ededed (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c5ce6 as the background.

Brands using this color

Fonts for this mood

#4c5ce6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4c5ce6
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 #4c5ce6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c5ce6-9d9cc4-df8a4e-241f2d-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