Color

#4b4eaf

#4b4eaf
hex#4b4eaf
rgbrgb(75, 78, 175)
hslhsl(238, 40%, 49%)
oklchoklch(0.476 0.151 277.6)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1004

Colors that go with #4b4eaf

Charcoal, Sea Green and Steel Blue 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 →

#afac4b

#4b80af · #7a4baf

#af4b4e · #4eaf4b

Split-complementary

Open in tool →

#af7a4b · #80af4b

#af4b80 · #afac4b · #4baf7a

Contrast

#4b4eaf as textRatioAAAA largeAAAFix
Aaon white
6.98:1passpassfail
  • AAA: use #494dab as the text (7.16:1)
Aaon black
3.01:1failpassfail
  • AA: use #6d6fc0 as the text (4.69:1)
  • AAA: use #9092d0 as the text (7.21:1)
  • AA: or shift the background to #d1d1d1 (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 #4b4eaf 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

#4b4eaf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b4eaf
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 #4b4eaf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b4eaf-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