Color

#3697ba

#3697ba
hex#3697ba
rgbrgb(54, 151, 186)
hslhsl(196, 55%, 47%)
oklchoklch(0.635 0.102 226.1)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2646

Colors that go with #3697ba

Charcoal, Crimson 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.

Real palettes that use #3697ba

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ba5936

#36ba9b · #3655ba

#ba3697 · #97ba36

Split-complementary

Open in tool →

#ba3655 · #ba9b36

#9b36ba · #ba5936 · #55ba36

Contrast

#3697ba as textRatioAAAA largeAAAFix
Aaon white
3.34:1failpassfail
  • AA: use #2d7d9a as the text (4.65:1)
  • AAA: use #215d73 as the text (7.3:1)
  • AA: or shift the background to #262626 (4.53:1)
Aaon black
6.29:1passpassfail
  • AAA: use #39a0c6 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3697ba as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#3697ba reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3697ba
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 #3697ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3697ba-9cb5c4-df4e6e-1f232d-e9f1ef?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