Color

#4e8eef

#4e8eef
hex#4e8eef
rgbrgb(78, 142, 239)
hslhsl(216, 83%, 62%)
oklchoklch(0.651 0.16 258.5)
Closest name: Blue Jay (#5588dd)Relative luminance 0.272

Colors that go with #4e8eef

Charcoal, Medium Sea Green and Tomato 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 →

#efae4e

#4edeef · #5e4eef

#ef4e8e · #8eef4e

Split-complementary

Open in tool →

#ef5e4e · #deef4e

#ef4ede · #efae4e · #4eef5e

Contrast

#4e8eef as textRatioAAAA largeAAAFix
Aaon white
3.26:1failpassfail
  • AA: use #1f70ea as the text (4.6:1)
  • AAA: use #1153b6 as the text (7.15:1)
  • AA: or shift the background to #262626 (4.64:1)
Aaon black
6.44:1passpassfail
  • AAA: use #5c97f0 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e8eef 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

#4e8eef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e8eef
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 #4e8eef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e8eef-9ca7c4-df5f4e-201f2d-e9f0f1?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