Color

#3eaefe

#3eaefe
hex#3eaefe
rgbrgb(62, 174, 254)
hslhsl(205, 99%, 62%)
oklchoklch(0.724 0.153 244.2)
Closest name: Cerulean (#55aaee)Relative luminance 0.3845

Colors that go with #3eaefe

Charcoal, Dark Orange and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fe8e3e

#3efeee · #3e4efe

#fe3eae · #aefe3e

Split-complementary

Open in tool →

#fe3e4e · #feee3e

#ee3efe · #fe8e3e · #4efe3e

Contrast

#3eaefe as textRatioAAAA largeAAAFix
Aaon white
2.42:1failfailfail
  • AA: use #0177cb as the text (4.66:1)
  • AAA: use #015998 as the text (7.28:1)
  • AA: or shift the background to #3b3b3b (4.64:1)
  • AAA: or shift the background to #1c1c1c (7.05:1)
Aaon black
8.69:1passpasspassPasses 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 #3eaefe as the background.

Brands using this color

Palettes built around it

Fonts for this mood

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

mcpConnect your agent — build around #3eaefe
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #3eaefe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3eaefe-9cafc4-df4e58-1f212d-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