Color

#3b1630

#3b1630
hex#3b1630
rgbrgb(59, 22, 48)
hslhsl(318, 46%, 16%)
oklchoklch(0.267 0.069 340.3)
Closest name: Nightly Voyager (#391531)Relative luminance 0.0172

Tints & shades

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

Harmonies

Complementary

Open in tool →

#163c21

#34163c · #3c161e

#303c16 · #16303c

Split-complementary

Open in tool →

#1e3c16 · #163c34

#3c3416 · #163c21 · #161e3c

Contrast

#3b1630 as textRatioAAAA largeAAAFix
Aaon white
15.63:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #bc4999 as the text (4.55:1)
  • AAA: use #cf7db6 as the text (7.26:1)
  • AA: or shift the background to #8a8a8a (4.53:1)
  • AAA: or shift the background to #b0b0b0 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3b1630 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

#3b1630 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b1630
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 #3b1630 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b1630-c19fb3-75cb62-2d1f23-f0e9f1?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