Color

#4ea6f4

#4ea6f4
hex#4ea6f4
rgbrgb(78, 166, 244)
hslhsl(208, 88%, 63%)
oklchoklch(0.706 0.142 248.1)
Closest name: Cerulean (#55aaee)Relative luminance 0.3542

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f49b4e

#4ef4ee · #4e53f4

#f44ea6 · #a6f44e

Split-complementary

Open in tool →

#f44e53 · #f4ee4e

#ee4ef4 · #f49b4e · #53f44e

Contrast

#4ea6f4 as textRatioAAAA largeAAAFix
Aaon white
2.6:1failfailfail
  • AA: use #0d77d3 as the text (4.57:1)
  • AAA: use #0a599e as the text (7.15:1)
  • AA: or shift the background to #383838 (4.51:1)
  • AAA: or shift the background to #141414 (7.09:1)
Aaon black
8.08:1passpasspassPasses 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 #4ea6f4 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#4ea6f4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4ea6f4
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 #4ea6f4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4ea6f4-9cadc4-df4e51-1f212d-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