Color

#4f5aa1

#4f5aa1
hex#4f5aa1
rgbrgb(79, 90, 161)
hslhsl(232, 34%, 47%)
oklchoklch(0.493 0.114 274.8)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1155

Colors that go with #4f5aa1

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 →

#a1964f

#4f83a1 · #6d4fa1

#a14f5a · #5aa14f

Split-complementary

Open in tool →

#a16d4f · #83a14f

#a14f83 · #a1964f · #4fa16d

Contrast

#4f5aa1 as textRatioAAAA largeAAAFix
Aaon white
6.35:1passpassfail
Aaon black
3.31:1failpassfail
  • AA: use #6570b3 as the text (4.52:1)
  • AAA: use #8b93c6 as the text (7.09:1)
  • AA: or shift the background to #dbdbdb (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f5aa1 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #4f5aa1
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 #4f5aa1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f5aa1-9c9dc4-df864e-231f2d-e9eef1?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