Color

#579bb2

#579bb2
hex#579bb2
rgbrgb(87, 155, 178)
hslhsl(195, 37%, 52%)
oklchoklch(0.653 0.077 222.1)
Closest name: Atlas Cedar (#5ca0a7)Relative luminance 0.2868

Colors that go with #579bb2

Charcoal, Terracotta 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.

Real palettes that use #579bb2

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b26e57

#57b29b · #576eb2

#b2579b · #9bb257

Split-complementary

Open in tool →

#b2576e · #b29b57

#9b57b2 · #b26e57 · #6eb257

Contrast

#579bb2 as textRatioAAAA largeAAAFix
Aaon white
3.12:1failpassfail
  • AA: use #427c8f as the text (4.65:1)
  • AAA: use #325e6c as the text (7.11:1)
  • AA: or shift the background to #2b2b2b (4.54:1)
Aaon black
6.74:1passpassfail
  • AAA: use #5e9fb5 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 #579bb2 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

#579bb2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #579bb2
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 #579bb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/579bb2-9cb5c4-df4e70-1f242d-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