Color

#16151e

#16151e
hex#16151e
rgbrgb(22, 21, 30)
hslhsl(247, 18%, 10%)
oklchoklch(0.201 0.018 289.8)
Closest name: Back in Black (#16141c)Relative luminance 0.008

Colors that go with #16151e

Charcoal, Amber and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1d1e15

#15181e · #1b151e

#1e1615 · #151e16

Split-complementary

Open in tool →

#1e1b15 · #181e15

#1e1518 · #1d1e15 · #151e1b

Contrast

#16151e as textRatioAAAA largeAAAFix
Aaon white
18.1:1passpasspassPasses AAA — no fix needed.
Aaon black
1.16:1failfailfail
  • AA: use #77729d as the text (4.68:1)
  • AAA: use #9793b4 as the text (7.15:1)
  • AA: or shift the background to #808080 (4.58:1)
  • AAA: or shift the background to #a1a1a1 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #16151e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#16151e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #16151e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #16151e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/16151e-a59cc4-dfaa4e-271f2d-e9ecf1?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