Color

#321d3f

#321d3f
hex#321d3f
rgbrgb(50, 29, 63)
hslhsl(277, 37%, 18%)
oklchoklch(0.275 0.066 311.2)
Closest name: Midnight Velvet (#2a2243)Relative luminance 0.0192

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2a3f1d

#211d3f · #3f1d3b

#3f321d · #1d3f32

Split-complementary

Open in tool →

#3b3f1d · #1d3f21

#3f211d · #2a3f1d · #1d3b3f

Contrast

#321d3f as textRatioAAAA largeAAAFix
Aaon white
15.18:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #945eb5 as the text (4.53:1)
  • AAA: use #b088c8 as the text (7.2:1)
  • AA: or shift the background to #8c8c8c (4.52:1)
  • AAA: or shift the background to #b0b0b0 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #321d3f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#321d3f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #321d3f
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 #321d3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/321d3f-b99cc4-bdcb62-2d1f2c-eae9f1?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