Color

#0384ab

#0384ab
hex#0384ab
rgbrgb(3, 132, 171)
hslhsl(194, 97%, 34%)
oklchoklch(0.573 0.111 227.7)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.1946

Colors that go with #0384ab

Charcoal, Crimson and Royal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab2a03

#03ab7e · #032fab

#ab0384 · #84ab03

Split-complementary

Open in tool →

#ab032f · #ab7e03

#7e03ab · #ab2a03 · #2fab03

Contrast

#0384ab as textRatioAAAA largeAAAFix
Aaon white
4.29:1failpassfail
  • AA: use #0380a6 as the text (4.52:1)
  • AAA: use #025d79 as the text (7.38:1)
  • AA: or shift the background to #0d0d0d (4.53:1)
Aaon black
4.89:1passpassfail
  • AAA: use #03a3d3 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0384ab as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0384ab reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0384ab
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 #0384ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0384ab-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