Color

#4b4eaa

#4b4eaa
hex#4b4eaa
rgbrgb(75, 78, 170)
hslhsl(238, 39%, 48%)
oklchoklch(0.472 0.144 277.9)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0985

Colors that go with #4b4eaa

Charcoal, Steel Blue 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 →

#aaa74b

#4b7eaa · #774baa

#aa4b4e · #4eaa4b

Split-complementary

Open in tool →

#aa774b · #7eaa4b

#aa4b7e · #aaa74b · #4baa77

Contrast

#4b4eaa as textRatioAAAA largeAAAFix
Aaon white
7.07:1passpasspassPasses AAA — no fix needed.
Aaon black
2.97:1failfailfail
  • AA: use #6a6dbe as the text (4.54:1)
  • AAA: use #8e90cd as the text (7.02:1)
  • AA: or shift the background to #cfcfcf (4.54:1)
  • AAA: or shift the background to #ffffff (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b4eaa 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

#4b4eaa reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b4eaa
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 #4b4eaa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b4eaa-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