Color

#4e3a88

#4e3a88
hex#4e3a88
rgbrgb(78, 58, 136)
hslhsl(255, 40%, 38%)
oklchoklch(0.412 0.125 291.8)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0642

Tints & shades

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

Harmonies

Complementary

Open in tool →

#74883a

#3a4e88 · #743a88

#884e3a · #3a884e

Split-complementary

Open in tool →

#88743a · #4e883a

#883a4e · #74883a · #3a8874

Contrast

#4e3a88 as textRatioAAAA largeAAAFix
Aaon white
9.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #7e69bf as the text (4.66:1)
  • AAA: use #9d8dce as the text (7.13:1)
  • AA: or shift the background to #b8b8b8 (4.63:1)
  • AAA: or shift the background to #e3e3e3 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e3a88 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

#4e3a88 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e3a88
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 #4e3a88 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e3a88-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