Color

#3f92ab

#3f92ab
hex#3f92ab
rgbrgb(63, 146, 171)
hslhsl(194, 46%, 46%)
oklchoklch(0.619 0.088 220.8)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2455

Colors that go with #3f92ab

Charcoal, Copper and Chocolate 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 #3f92ab

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab593f

#3fab8e · #3f5cab

#ab3f92 · #92ab3f

Split-complementary

Open in tool →

#ab3f5c · #ab8e3f

#8e3fab · #ab593f · #5cab3f

Contrast

#3f92ab as textRatioAAAA largeAAAFix
Aaon white
3.55:1failpassfail
  • AA: use #377f95 as the text (4.53:1)
  • AAA: use #295f70 as the text (7.08:1)
  • AA: or shift the background to #212121 (4.53:1)
Aaon black
5.91:1passpassfail
  • AAA: use #49a1bc 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 #3f92ab 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

#3f92ab reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f92ab
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 #3f92ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f92ab-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