Color

#3e9ebb

#3e9ebb
hex#3e9ebb
rgbrgb(62, 158, 187)
hslhsl(194, 50%, 49%)
oklchoklch(0.655 0.098 221.4)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2907

Colors that go with #3e9ebb

Charcoal, Amber and Copper 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 #3e9ebb

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb5c3e

#3ebb9a · #3e60bb

#bb3e9e · #9ebb3e

Split-complementary

Open in tool →

#bb3e60 · #bb9a3e

#9a3ebb · #bb5c3e · #60bb3e

Contrast

#3e9ebb as textRatioAAAA largeAAAFix
Aaon white
3.08:1failpassfail
  • AA: use #327e95 as the text (4.61:1)
  • AAA: use #255e6f as the text (7.22:1)
  • AA: or shift the background to #2b2b2b (4.59:1)
Aaon black
6.81:1passpassfail
  • AAA: use #40a2bf as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e9ebb 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

#3e9ebb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e9ebb
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 #3e9ebb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e9ebb-9cb6c4-df4e72-1f242d-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