Color

#3ba7de

#3ba7de
hex#3ba7de
rgbrgb(59, 167, 222)
hslhsl(200, 71%, 55%)
oklchoklch(0.691 0.125 235.3)
Closest name: Cousteau (#55a9d6)Relative luminance 0.3384

Colors that go with #3ba7de

Charcoal, Peru 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 →

#de713b

#3bdec3 · #3b56de

#de3ba7 · #a7de3b

Split-complementary

Open in tool →

#de3b56 · #dec33b

#c33bde · #de713b · #56de3b

Contrast

#3ba7de as textRatioAAAA largeAAAFix
Aaon white
2.7:1failfailfail
  • AA: use #1e7eae as the text (4.52:1)
  • AAA: use #165f83 as the text (7:1)
  • AA: or shift the background to #333333 (4.67:1)
  • AAA: or shift the background to #0f0f0f (7.09:1)
Aaon black
7.77:1passpasspassPasses 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 #3ba7de as the background.

Brands using this color

Fonts for this mood

#3ba7de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ba7de
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 #3ba7de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ba7de-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