Color

#4f52ba

#4f52ba
hex#4f52ba
rgbrgb(79, 82, 186)
hslhsl(238, 44%, 52%)
oklchoklch(0.494 0.16 277.5)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1124

Colors that go with #4f52ba

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 →

#bab74f

#4f88ba · #814fba

#ba4f52 · #52ba4f

Split-complementary

Open in tool →

#ba814f · #88ba4f

#ba4f88 · #bab74f · #4fba81

Contrast

#4f52ba as textRatioAAAA largeAAAFix
Aaon white
6.46:1passpassfail
  • AAA: use #474bb8 as the text (7.08:1)
Aaon black
3.25:1failpassfail
  • AA: use #686cc4 as the text (4.53:1)
  • AAA: use #8d8fd3 as the text (7:1)
  • AA: or shift the background to #d9d9d9 (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 #4f52ba 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

#4f52ba reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f52ba
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 #4f52ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f52ba-9f9cc4-df944e-251f2d-e9edf1?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