Color

#4ea6ef

#4ea6ef
hex#4ea6ef
rgbrgb(78, 166, 239)
hslhsl(207, 83%, 62%)
oklchoklch(0.703 0.137 246.5)
Closest name: Cerulean (#55aaee)Relative luminance 0.3512

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ef964e

#4eefe6 · #4e56ef

#ef4ea6 · #a6ef4e

Split-complementary

Open in tool →

#ef4e56 · #efe64e

#e64eef · #ef964e · #56ef4e

Contrast

#4ea6ef as textRatioAAAA largeAAAFix
Aaon white
2.62:1failfailfail
  • AA: use #1377c9 as the text (4.66:1)
  • AAA: use #0e5b9a as the text (7.04:1)
  • AA: or shift the background to #363636 (4.62:1)
  • AAA: or shift the background to #141414 (7.04:1)
Aaon black
8.02:1passpasspassPasses 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 #4ea6ef 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

#4ea6ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4ea6ef
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4ea6ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4ea6ef-9cadc4-df4e53-1f212d-e9f1f1?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