Color

#4a3f83

#4a3f83
hex#4a3f83
rgbrgb(74, 63, 131)
hslhsl(250, 35%, 38%)
oklchoklch(0.414 0.11 288.1)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0665

Colors that go with #4a3f83

Charcoal, Steel Blue and 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 →

#78833f

#3f5683 · #6c3f83

#834a3f · #3f834a

Split-complementary

Open in tool →

#836c3f · #56833f

#833f56 · #78833f · #3f836c

Contrast

#4a3f83 as textRatioAAAA largeAAAFix
Aaon white
9.01:1passpasspassPasses AAA — no fix needed.
Aaon black
2.33:1failfailfail
  • AA: use #786bb8 as the text (4.59:1)
  • AAA: use #9a91ca as the text (7.28:1)
  • AA: or shift the background to #b8b8b8 (4.54:1)
  • AAA: or shift the background to #e3e3e3 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4a3f83 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

#4a3f83 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4a3f83
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 #4a3f83 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4a3f83-a79cc4-dfb14e-281f2d-e9ecf1?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