Color

#4e398e

#4e398e
hex#4e398e
rgbrgb(78, 57, 142)
hslhsl(255, 43%, 39%)
oklchoklch(0.415 0.135 290.7)
Closest name: darkslateblue (#483d8b)Relative luminance 0.065

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#798e39

#394e8e · #79398e

#8e4e39 · #398e4e

Split-complementary

Open in tool →

#8e7939 · #4e8e39

#8e394e · #798e39 · #398e79

Contrast

#4e398e as textRatioAAAA largeAAAFix
Aaon white
9.13:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #7d66c2 as the text (4.55:1)
  • AAA: use #9f8ed2 as the text (7.27:1)
  • AA: or shift the background to #b8b8b8 (4.6:1)
  • AAA: or shift the background to #e3e3e3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e398e 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

#4e398e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e398e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4e398e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e398e-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