Color

#3baee8

#3baee8
hex#3baee8
rgbrgb(59, 174, 232)
hslhsl(200, 79%, 57%)
oklchoklch(0.712 0.131 235.3)
Closest name: Cerulean (#55aaee)Relative luminance 0.3703

Colors that go with #3baee8

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 →

#e8743b

#3be8cb · #3b58e8

#e83bae · #aee83b

Split-complementary

Open in tool →

#e83b58 · #e8cb3b

#cb3be8 · #e8743b · #58e83b

Contrast

#3baee8 as textRatioAAAA largeAAAFix
Aaon white
2.5:1failfailfail
  • AA: use #157eb2 as the text (4.51:1)
  • AAA: use #105d84 as the text (7.19:1)
  • AA: or shift the background to #383838 (4.69:1)
  • AAA: or shift the background to #171717 (7.18:1)
Aaon black
8.41:1passpasspassPasses 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 #3baee8 as the background.

Brands using this color

Fonts for this mood

#3baee8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3baee8
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 #3baee8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3baee8-9cb2c4-df4e64-1f232d-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