Color

#5f78bf

#5f78bf
hex#5f78bf
rgbrgb(95, 120, 191)
hslhsl(224, 43%, 56%)
oklchoklch(0.585 0.113 268.1)
Closest name: Flood (#6677bb)Relative luminance 0.1963

Colors that go with #5f78bf

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 →

#bfa55f

#5fa9bf · #755fbf

#bf5f78 · #78bf5f

Split-complementary

Open in tool →

#bf755f · #a9bf5f

#bf5fa9 · #bfa55f · #5fbf75

Contrast

#5f78bf as textRatioAAAA largeAAAFix
Aaon white
4.26:1failpassfail
  • AA: use #5772bc as the text (4.63:1)
  • AAA: use #3d5699 as the text (7.02:1)
  • AA: or shift the background to #0d0d0d (4.56:1)
Aaon black
4.93:1passpassfail
  • AAA: use #7f94cc as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5f78bf 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

#5f78bf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5f78bf
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 #5f78bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5f78bf-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