Color

#3e9cbb

#3e9cbb
hex#3e9cbb
rgbrgb(62, 156, 187)
hslhsl(195, 50%, 49%)
oklchoklch(0.65 0.098 223.3)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2839

Colors that go with #3e9cbb

Charcoal, Amber and Blue 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 #3e9cbb

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb5e3e

#3ebb9c · #3e5ebb

#bb3e9c · #9cbb3e

Split-complementary

Open in tool →

#bb3e5e · #bb9c3e

#9c3ebb · #bb5e3e · #5ebb3e

Contrast

#3e9cbb as textRatioAAAA largeAAAFix
Aaon white
3.14:1failpassfail
  • AA: use #327c95 as the text (4.72:1)
  • AAA: use #255c6f as the text (7.4:1)
  • AA: or shift the background to #2b2b2b (4.5:1)
Aaon black
6.68:1passpassfail
  • AAA: use #44a1c1 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e9cbb 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

#3e9cbb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e9cbb
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 #3e9cbb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e9cbb-9cb5c4-df4e70-1f242d-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