Color

#39223f

#39223f
hex#39223f
rgbrgb(57, 34, 63)
hslhsl(288, 30%, 19%)
oklchoklch(0.294 0.059 319.1)
Closest name: Midnight Velvet (#2a2243)Relative luminance 0.0237

Tints & shades

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

Harmonies

Complementary

Open in tool →

#283f22

#2b223f · #3f2236

#3f3922 · #223f39

Split-complementary

Open in tool →

#363f22 · #223f2b

#3f2b22 · #283f22 · #22363f

Contrast

#39223f as textRatioAAAA largeAAAFix
Aaon white
14.24:1passpasspassPasses AAA — no fix needed.
Aaon black
1.47:1failfailfail
  • AA: use #9b60a9 as the text (4.64:1)
  • AAA: use #b488bf as the text (7.21:1)
  • AA: or shift the background to #919191 (4.52:1)
  • AAA: or shift the background to #b8b8b8 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39223f 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

#39223f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39223f
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 #39223f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39223f-be9fc1-aacb62-2d1f2a-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