Color

#4f58bf

#4f58bf
hex#4f58bf
rgbrgb(79, 88, 191)
hslhsl(235, 47%, 53%)
oklchoklch(0.509 0.159 275.4)
Closest name: God of Rain (#4466cc)Relative luminance 0.124

Colors that go with #4f58bf

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 →

#bfb64f

#4f91bf · #7e4fbf

#bf4f58 · #58bf4f

Split-complementary

Open in tool →

#bf7e4f · #91bf4f

#bf4f91 · #bfb64f · #4fbf7e

Contrast

#4f58bf as textRatioAAAA largeAAAFix
Aaon white
6.03:1passpassfail
  • AAA: use #424cb8 as the text (7.1:1)
Aaon black
3.48:1failpassfail
  • AA: use #656ec8 as the text (4.62:1)
  • AAA: use #8b91d5 as the text (7.11:1)
  • AA: or shift the background to #e0e0e0 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f58bf 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

#4f58bf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f58bf
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 #4f58bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f58bf-9e9cc4-df8d4e-241f2d-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