Color

#4eaefd

#4eaefd
hex#4eaefd
rgbrgb(78, 174, 253)
hslhsl(207, 98%, 65%)
oklchoklch(0.728 0.146 246.5)
Closest name: Cerulean (#55aaee)Relative luminance 0.3898

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd9d4e

#4efdf4 · #4e57fd

#fd4eae · #aefd4e

Split-complementary

Open in tool →

#fd4e57 · #fdf44e

#f44efd · #fd9d4e · #57fd4e

Contrast

#4eaefd as textRatioAAAA largeAAAFix
Aaon white
2.39:1failfailfail
  • AA: use #0276d4 as the text (4.62:1)
  • AAA: use #025aa2 as the text (7.03:1)
  • AA: or shift the background to #3d3d3d (4.55:1)
  • AAA: or shift the background to #1c1c1c (7.14:1)
Aaon black
8.8:1passpasspassPasses 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 #4eaefd as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/4eaefd-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