Color

#3baffc

#3baffc
hex#3baffc
rgbrgb(59, 175, 252)
hslhsl(204, 97%, 61%)
oklchoklch(0.724 0.151 242.6)
Closest name: Cerulean (#55aaee)Relative luminance 0.3862

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fc883b

#3bfce9 · #3b4efc

#fc3baf · #affc3b

Split-complementary

Open in tool →

#fc3b4e · #fce93b

#e93bfc · #fc883b · #4efc3b

Contrast

#3baffc as textRatioAAAA largeAAAFix
Aaon white
2.41:1failfailfail
  • AA: use #037ac9 as the text (4.53:1)
  • AAA: use #025b97 as the text (7.13:1)
  • AA: or shift the background to #3d3d3d (4.51:1)
  • AAA: or shift the background to #1c1c1c (7.08:1)
Aaon black
8.72:1passpasspassPasses 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 #3baffc as the background.

Brands using this color

Palettes built around it

Fonts for this mood

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

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

tool url/palettes/new/3baffc-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