Color

#3e015a

#3e015a
hex#3e015a
rgbrgb(62, 1, 90)
hslhsl(281, 98%, 18%)
oklchoklch(0.28 0.14 310.5)
Closest name: Cotinga Purple (#340059)Relative luminance 0.0178

Colors that go with #3e015a

Denim, Royal Blue and Forest Green 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 →

#1d5b01

#11015b · #5b014a

#5b3e01 · #015b3e

Split-complementary

Open in tool →

#4a5b01 · #015b11

#5b1101 · #1d5b01 · #014a5b

Contrast

#3e015a as textRatioAAAA largeAAAFix
Aaon white
15.48:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #b51cfd as the text (4.55:1)
  • AAA: use #ce68fd as the text (7.02:1)
  • AA: or shift the background to #8c8c8c (4.6:1)
  • AAA: or shift the background to #b0b0b0 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e015a as the background.

Brands using this color

Fonts for this mood

#3e015a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e015a
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 #3e015a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e015a-ba9fc1-b6cb62-2d1f2c-ebe9f1?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