Color

#5879bb

#5879bb
hex#5879bb
rgbrgb(88, 121, 187)
hslhsl(220, 42%, 54%)
oklchoklch(0.581 0.109 263.2)
Closest name: Flood (#6677bb)Relative luminance 0.1934

Colors that go with #5879bb

Charcoal, Copper 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 →

#bb9a58

#58abbb · #6958bb

#bb5879 · #79bb58

Split-complementary

Open in tool →

#bb6958 · #abbb58

#bb58ab · #bb9a58 · #58bb69

Contrast

#5879bb as textRatioAAAA largeAAAFix
Aaon white
4.31:1failpassfail
  • AA: use #5173b8 as the text (4.67:1)
  • AAA: use #3b5891 as the text (7.02:1)
  • AA: or shift the background to #0d0d0d (4.5:1)
Aaon black
4.87:1passpassfail
  • AAA: use #7d96ca as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5879bb 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

#5879bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5879bb
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 #5879bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5879bb-9ca5c4-df694e-211f2d-e9f0f1?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