Color

#4865e5

#4865e5
hex#4865e5
rgbrgb(72, 101, 229)
hslhsl(229, 75%, 59%)
oklchoklch(0.559 0.196 269.4)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1634

Colors that go with #4865e5

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 →

#e5c848

#48b3e5 · #7a48e5

#e54865 · #65e548

Split-complementary

Open in tool →

#e57a48 · #b3e548

#e548b3 · #e5c848 · #48e57a

Contrast

#4865e5 as textRatioAAAA largeAAAFix
Aaon white
4.92:1passpassfail
  • AAA: use #2043df as the text (7.17:1)
Aaon black
4.27:1failpassfail
  • AA: use #516ce6 as the text (4.64:1)
  • AAA: use #7e92ed as the text (7.22:1)
  • AA: or shift the background to #f5f5f5 (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 #4865e5 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

#4865e5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4865e5
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 #4865e5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4865e5-9c9fc4-df7e4e-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