Color

#78a4e3

#78a4e3
hex#78a4e3
rgbrgb(120, 164, 227)
hslhsl(215, 66%, 68%)
oklchoklch(0.712 0.104 257.4)
Closest name: Acapulco Dive (#65a7dd)Relative luminance 0.3609

Colors that go with #78a4e3

Charcoal, Peru 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e3b678

#78dae3 · #8178e3

#e378a4 · #a4e378

Split-complementary

Open in tool →

#e38178 · #dae378

#e378da · #e3b678 · #78e381

Contrast

#78a4e3 as textRatioAAAA largeAAAFix
Aaon white
2.56:1failfailfail
  • AA: use #3074d5 as the text (4.58:1)
  • AAA: use #2156a1 as the text (7.22:1)
  • AA: or shift the background to #383838 (4.59:1)
  • AAA: or shift the background to #171717 (7.02:1)
Aaon black
8.22:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #78a4e3 as the background.

Brands using this color

Fonts for this mood

#78a4e3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #78a4e3
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 #78a4e3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78a4e3-9ca8c4-df5d4e-201f2d-e9f0f1?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