Color

#5475cf

#5475cf
hex#5475cf
rgbrgb(84, 117, 207)
hslhsl(224, 56%, 57%)
oklchoklch(0.581 0.143 266.8)
Closest name: Flood (#6677bb)Relative luminance 0.1911

Colors that go with #5475cf

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 →

#cfae54

#54b2cf · #7154cf

#cf5475 · #75cf54

Split-complementary

Open in tool →

#cf7154 · #b2cf54

#cf54b2 · #cfae54 · #54cf71

Contrast

#5475cf as textRatioAAAA largeAAAFix
Aaon white
4.35:1failpassfail
  • AA: use #5071ce as the text (4.57:1)
  • AAA: use #3153af as the text (7.03:1)
  • AA: or shift the background to #0a0a0a (4.55:1)
Aaon black
4.82:1passpassfail
  • AAA: use #7c95da as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5475cf as the background.

Brands using this color

Fonts for this mood

#5475cf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5475cf
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 #5475cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5475cf-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