Color

#3e156a

#3e156a
hex#3e156a
rgbrgb(62, 21, 106)
hslhsl(269, 67%, 25%)
oklchoklch(0.313 0.137 300.4)
Closest name: Explorer of the Galaxies (#3a1f76)Relative luminance 0.026

Colors that go with #3e156a

Charcoal, Royal Blue and Crimson 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 →

#416a15

#15166a · #69156a

#6a3e15 · #156a3e

Split-complementary

Open in tool →

#6a6915 · #166a15

#6a1516 · #416a15 · #156a69

Contrast

#3e156a as textRatioAAAA largeAAAFix
Aaon white
13.81:1passpasspassPasses AAA — no fix needed.
Aaon black
1.52:1failfailfail
  • AA: use #9755dd as the text (4.66:1)
  • AAA: use #b17fe6 as the text (7.05:1)
  • AA: or shift the background to #949494 (4.55:1)
  • AAA: or shift the background to #bababa (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 #3e156a 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

#3e156a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e156a
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 #3e156a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e156a-b49cc4-cbcb62-2c1f2d-e9e9f1?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