Color

#5a77ce

#5a77ce
hex#5a77ce
rgbrgb(90, 119, 206)
hslhsl(225, 54%, 58%)
oklchoklch(0.588 0.137 268.1)
Closest name: Flood (#6677bb)Relative luminance 0.1982

Colors that go with #5a77ce

Charcoal, Sea Green 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 →

#ceb15a

#5ab1ce · #775ace

#ce5a77 · #77ce5a

Split-complementary

Open in tool →

#ce775a · #b1ce5a

#ce5ab1 · #ceb15a · #5ace77

Contrast

#5a77ce as textRatioAAAA largeAAAFix
Aaon white
4.23:1failpassfail
  • AA: use #5271cb as the text (4.58:1)
  • AAA: use #3452ad as the text (7.1:1)
  • AA: or shift the background to #0f0f0f (4.53:1)
Aaon black
4.96:1passpassfail
  • AAA: use #7d94d8 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a77ce as the background.

Brands using this color

Fonts for this mood

#5a77ce reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5a77ce
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 #5a77ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a77ce-9ca1c4-df754e-221f2d-e9eff1?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