Color

#5780ef

#5780ef
hex#5780ef
rgbrgb(87, 128, 239)
hslhsl(224, 83%, 64%)
oklchoklch(0.626 0.173 266.3)
Closest name: Pan Purple (#657aef)Relative luminance 0.237

Colors that go with #5780ef

Charcoal, Red 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 →

#efc757

#57ccef · #7b57ef

#ef5780 · #80ef57

Split-complementary

Open in tool →

#ef7b57 · #ccef57

#ef57cc · #efc757 · #57ef7b

Contrast

#5780ef as textRatioAAAA largeAAAFix
Aaon white
3.66:1failpassfail
  • AA: use #3b6aed as the text (4.7:1)
  • AAA: use #1448d7 as the text (7.15:1)
  • AA: or shift the background to #1f1f1f (4.5:1)
Aaon black
5.74:1passpassfail
  • AAA: use #7395f2 as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5780ef 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

#5780ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5780ef
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 #5780ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5780ef-9ca2c4-df724e-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