Color

#378fae

#378fae
hex#378fae
rgbrgb(55, 143, 174)
hslhsl(196, 52%, 45%)
oklchoklch(0.611 0.095 225)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2351

Colors that go with #378fae

Charcoal, Copper and Crimson 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 →

#ae5737

#37ae93 · #3753ae

#ae378f · #8fae37

Split-complementary

Open in tool →

#ae3753 · #ae9337

#9337ae · #ae5737 · #53ae37

Contrast

#378fae as textRatioAAAA largeAAAFix
Aaon white
3.68:1failpassfail
  • AA: use #317f9b as the text (4.53:1)
  • AAA: use #255f74 as the text (7.08:1)
  • AA: or shift the background to #1c1c1c (4.63:1)
Aaon black
5.7:1passpassfail
  • AAA: use #41a0c3 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #378fae as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#378fae reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #378fae
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 #378fae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/378fae-9cb5c4-df4e6e-1f232d-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