Color

#4e7de4

#4e7de4
hex#4e7de4
rgbrgb(78, 125, 228)
hslhsl(221, 74%, 60%)
oklchoklch(0.608 0.164 263.8)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2189

Colors that go with #4e7de4

Charcoal, Copper 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 →

#e4b54e

#4ec9e4 · #694ee4

#e44e7d · #7de44e

Split-complementary

Open in tool →

#e4694e · #c9e44e

#e44ec9 · #e4b54e · #4ee469

Contrast

#4e7de4 as textRatioAAAA largeAAAFix
Aaon white
3.91:1failpassfail
  • AA: use #3c70e2 as the text (4.56:1)
  • AAA: use #1d50bf as the text (7.11:1)
  • AA: or shift the background to #171717 (4.59:1)
Aaon black
5.38:1passpassfail
  • AAA: use #6d94e9 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e7de4 as the background.

Brands using this color

Fonts for this mood

#4e7de4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e7de4
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 #4e7de4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e7de4-9ca4c4-df6b4e-211f2d-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