Color

#16131b

#16131b
hex#16131b
rgbrgb(22, 19, 27)
hslhsl(263, 17%, 9%)
oklchoklch(0.194 0.017 302)
Closest name: Back in Black (#16141c)Relative luminance 0.0072

Tints & shades

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

Harmonies

Complementary

Open in tool →

#181b13

#13141b · #1a131b

#1b1613 · #131b16

Split-complementary

Open in tool →

#1b1a13 · #141b13

#1b1314 · #181b13 · #131b1a

Contrast

#16131b as textRatioAAAA largeAAAFix
Aaon white
18.37:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #7d6d97 as the text (4.51:1)
  • AAA: use #9d91b1 as the text (7.12:1)
  • AA: or shift the background to #808080 (4.65:1)
  • AAA: or shift the background to #a1a1a1 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #16131b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#16131b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #16131b
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 #16131b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/16131b-b09cc4-dfd04e-2b1f2d-e9eaf1?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