Color

#4ea5df

#4ea5df
hex#4ea5df
rgbrgb(78, 165, 223)
hslhsl(204, 69%, 59%)
oklchoklch(0.693 0.12 240.7)
Closest name: Cousteau (#55a9d6)Relative luminance 0.3386

Tints & shades

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

Harmonies

Complementary

Open in tool →

#df884e

#4edfd0 · #4e5ddf

#df4ea5 · #a5df4e

Split-complementary

Open in tool →

#df4e5d · #dfd04e

#d04edf · #df884e · #5ddf4e

Contrast

#4ea5df as textRatioAAAA largeAAAFix
Aaon white
2.7:1failfailfail
  • AA: use #217ab5 as the text (4.65:1)
  • AAA: use #195d8a as the text (7.06:1)
  • AA: or shift the background to #333333 (4.68:1)
  • AAA: or shift the background to #0f0f0f (7.09:1)
Aaon black
7.77:1passpasspassPasses 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 #4ea5df 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

#4ea5df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4ea5df
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 #4ea5df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4ea5df-9cafc4-df4e5a-1f222d-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