Color

#12151c

#12151c
hex#12151c
rgbrgb(18, 21, 28)
hslhsl(222, 22%, 9%)
oklchoklch(0.196 0.015 266.8)
Closest name: Back in Black (#16141c)Relative luminance 0.0075

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c1912

#121a1c · #14121c

#1c1215 · #151c12

Split-complementary

Open in tool →

#1c1412 · #1a1c12

#1c121a · #1c1912 · #121c14

Contrast

#12151c as textRatioAAAA largeAAAFix
Aaon white
18.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #63749c as the text (4.51:1)
  • AAA: use #8996b3 as the text (7.08:1)
  • AA: or shift the background to #808080 (4.62:1)
  • AAA: or shift the background to #a1a1a1 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12151c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#12151c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12151c
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 #12151c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12151c-9ca3c4-df6e4e-211f2d-e9eff1?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