Color

#3eaeef

#3eaeef
hex#3eaeef
rgbrgb(62, 174, 239)
hslhsl(202, 85%, 59%)
oklchoklch(0.716 0.137 238.8)
Closest name: Cerulean (#55aaee)Relative luminance 0.3753

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef7f3e

#3eefd8 · #3e55ef

#ef3eae · #aeef3e

Split-complementary

Open in tool →

#ef3e55 · #efd83e

#d83eef · #ef7f3e · #55ef3e

Contrast

#3eaeef as textRatioAAAA largeAAAFix
Aaon white
2.47:1failfailfail
  • AA: use #0f7ab8 as the text (4.67:1)
  • AAA: use #0b5b89 as the text (7.31:1)
  • AA: or shift the background to #3b3b3b (4.54:1)
  • AAA: or shift the background to #1a1a1a (7.05:1)
Aaon black
8.51:1passpasspassPasses 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 #3eaeef as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#3eaeef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3eaeef
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 #3eaeef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3eaeef-9cb1c4-df4e5f-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