Color

#78b3dd

#78b3dd
hex#78b3dd
rgbrgb(120, 179, 221)
hslhsl(205, 60%, 67%)
oklchoklch(0.742 0.086 240.4)
Closest name: Birdie Num Num (#89acda)Relative luminance 0.4145

Colors that go with #78b3dd

Charcoal, Dark Salmon 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 →

#dda278

#78ddd5 · #7881dd

#dd78b3 · #b3dd78

Split-complementary

Open in tool →

#dd7881 · #ddd578

#d578dd · #dda278 · #81dd78

Contrast

#78b3dd as textRatioAAAA largeAAAFix
Aaon white
2.26:1failfailfail
  • AA: use #2d7bb4 as the text (4.56:1)
  • AAA: use #225d87 as the text (7.04:1)
  • AA: or shift the background to #404040 (4.59:1)
  • AAA: or shift the background to #212121 (7.12:1)
Aaon black
9.29:1passpasspassPasses 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 #78b3dd 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

#78b3dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #78b3dd
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 #78b3dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78b3dd-9cafc4-df4e58-1f212d-e9f1f0?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