Color

#3776a0

#3776a0
hex#3776a0
rgbrgb(55, 118, 160)
hslhsl(204, 49%, 42%)
oklchoklch(0.543 0.092 240.6)
Closest name: Cry Me a River (#427898)Relative luminance 0.1631

Colors that go with #3776a0

Charcoal, Royal Blue and Sienna 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 →

#a06137

#37a095 · #3741a0

#a03776 · #76a037

Split-complementary

Open in tool →

#a03741 · #a09537

#9537a0 · #a06137 · #41a037

Contrast

#3776a0 as textRatioAAAA largeAAAFix
Aaon white
4.93:1passpassfail
  • AAA: use #2b5c7d as the text (7.17:1)
Aaon black
4.26:1failpassfail
  • AA: use #397ba7 as the text (4.57:1)
  • AAA: use #5c9cc7 as the text (7.04:1)
  • AA: or shift the background to #f5f5f5 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3776a0 as the background.

Brands using this color

Fonts for this mood

#3776a0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3776a0
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 #3776a0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3776a0-9cafc4-df4e5a-1f222d-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