Color

#3aabe4

#3aabe4
hex#3aabe4
rgbrgb(58, 171, 228)
hslhsl(200, 76%, 56%)
oklchoklch(0.703 0.129 235.3)
Closest name: Cousteau (#55a9d6)Relative luminance 0.3563

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e4723a

#3ae4c8 · #3a56e4

#e43aab · #abe43a

Split-complementary

Open in tool →

#e43a56 · #e4c83a

#c83ae4 · #e4723a · #56e43a

Contrast

#3aabe4 as textRatioAAAA largeAAAFix
Aaon white
2.58:1failfailfail
  • AA: use #187daf as the text (4.57:1)
  • AAA: use #125d82 as the text (7.21:1)
  • AA: or shift the background to #383838 (4.54:1)
  • AAA: or shift the background to #141414 (7.13:1)
Aaon black
8.13:1passpasspassPasses 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 #3aabe4 as the background.

Brands using this color

Fonts for this mood

#3aabe4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3aabe4
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 #3aabe4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3aabe4-9cb2c4-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