Color

#331e6c

#331e6c
hex#331e6c
rgbrgb(51, 30, 108)
hslhsl(256, 57%, 27%)
oklchoklch(0.314 0.128 289.3)
Closest name: Dark Dreams (#332266)Relative luminance 0.0272

Tints & shades

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

Harmonies

Complementary

Open in tool →

#576c1e

#1e306c · #5a1e6c

#6c331e · #1e6c33

Split-complementary

Open in tool →

#6c5a1e · #306c1e

#6c1e30 · #576c1e · #1e6c5a

Contrast

#331e6c as textRatioAAAA largeAAAFix
Aaon white
13.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #8163d4 as the text (4.67:1)
  • AAA: use #a18bdf as the text (7.27:1)
  • AA: or shift the background to #969696 (4.6:1)
  • AAA: or shift the background to #bababa (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #331e6c 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

#331e6c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #331e6c
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 #331e6c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/331e6c-ab9cc4-dfbf4e-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