Color

#4eb2e4

#4eb2e4
hex#4eb2e4
rgbrgb(78, 178, 228)
hslhsl(200, 74%, 60%)
oklchoklch(0.725 0.117 233.5)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.3906

Colors that go with #4eb2e4

Charcoal, Amber and Blue 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 →

#e4804e

#4ee4cb · #4e67e4

#e44eb2 · #b2e44e

Split-complementary

Open in tool →

#e44e67 · #e4cb4e

#cb4ee4 · #e4804e · #67e44e

Contrast

#4eb2e4 as textRatioAAAA largeAAAFix
Aaon white
2.38:1failfailfail
  • AA: use #1a7cad as the text (4.64:1)
  • AAA: use #135c81 as the text (7.3:1)
  • AA: or shift the background to #3d3d3d (4.56:1)
  • AAA: or shift the background to #1c1c1c (7.15:1)
Aaon black
8.81:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4eb2e4 as the background.

Brands using this color

Fonts for this mood

#4eb2e4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4eb2e4
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 #4eb2e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4eb2e4-9cb2c4-df4e64-1f232d-e9f1f0?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