Color

#3baee3

#3baee3
hex#3baee3
rgbrgb(59, 174, 227)
hslhsl(199, 75%, 56%)
oklchoklch(0.71 0.126 232.8)
Closest name: Cousteau (#55a9d6)Relative luminance 0.3675

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e3703b

#3be3c4 · #3b5ae3

#e33bae · #aee33b

Split-complementary

Open in tool →

#e33b5a · #e3c43b

#c43be3 · #e3703b · #5ae33b

Contrast

#3baee3 as textRatioAAAA largeAAAFix
Aaon white
2.52:1failfailfail
  • AA: use #187caa as the text (4.66:1)
  • AAA: use #125e81 as the text (7.13:1)
  • AA: or shift the background to #383838 (4.66:1)
  • AAA: or shift the background to #171717 (7.13:1)
Aaon black
8.35:1passpasspassPasses 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 #3baee3 as the background.

Brands using this color

Fonts for this mood

#3baee3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3baee3
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 #3baee3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3baee3-9cb3c4-df4e66-1f232d-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