Color

#4a338e

#4a338e
hex#4a338e
rgbrgb(74, 51, 142)
hslhsl(255, 47%, 38%)
oklchoklch(0.401 0.143 290)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0578

Colors that go with #4a338e

Charcoal, Royal 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 →

#788e33

#334a8e · #78338e

#8e4a33 · #338e4a

Split-complementary

Open in tool →

#8e7833 · #4a8e33

#8e334a · #788e33 · #338e78

Contrast

#4a338e as textRatioAAAA largeAAAFix
Aaon white
9.74:1passpasspassPasses AAA — no fix needed.
Aaon black
2.16:1failfailfail
  • AA: use #7e65c8 as the text (4.58:1)
  • AAA: use #9d8bd5 as the text (7.09:1)
  • AA: or shift the background to #b3b3b3 (4.65:1)
  • AAA: or shift the background to #dbdbdb (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4a338e 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

#4a338e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4a338e
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 #4a338e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4a338e-ab9cc4-dfbd4e-291f2d-e9ebf1?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