Color

#3cb2f6

#3cb2f6
hex#3cb2f6
rgbrgb(60, 178, 246)
hslhsl(202, 91%, 60%)
oklchoklch(0.728 0.142 238.9)
Closest name: Cerulean (#55aaee)Relative luminance 0.3946

Colors that go with #3cb2f6

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 →

#f6803c

#3cf6dd · #3c55f6

#f63cb2 · #b2f63c

Split-complementary

Open in tool →

#f63c55 · #f6dd3c

#dd3cf6 · #f6803c · #55f63c

Contrast

#3cb2f6 as textRatioAAAA largeAAAFix
Aaon white
2.36:1failfailfail
  • AA: use #097cbe as the text (4.53:1)
  • AAA: use #075c8d as the text (7.18:1)
  • AA: or shift the background to #3d3d3d (4.6:1)
  • AAA: or shift the background to #1c1c1c (7.22:1)
Aaon black
8.89:1passpasspassPasses 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 #3cb2f6 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#3cb2f6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3cb2f6
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 #3cb2f6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cb2f6-9cb1c4-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