Color

#331c36

#331c36
hex#331c36
rgbrgb(51, 28, 54)
hslhsl(293, 32%, 16%)
oklchoklch(0.269 0.056 322.8)
Closest name: Nightly Voyager (#391531)Relative luminance 0.018

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f361c

#261c36 · #361c2c

#36331c · #1c3633

Split-complementary

Open in tool →

#2c361c · #1c3626

#36261c · #1f361c · #1c2c36

Contrast

#331c36 as textRatioAAAA largeAAAFix
Aaon white
15.44:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #a15aaa as the text (4.56:1)
  • AAA: use #ba86c1 as the text (7.27:1)
  • AA: or shift the background to #8c8c8c (4.59:1)
  • AAA: or shift the background to #b0b0b0 (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 #331c36 as the background.

Brands using this color

Fonts for this mood

#331c36 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #331c36
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 #331c36 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/331c36-c19fc1-a1cb62-2d1f29-ece9f1?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