Color

#11151d

#11151d
hex#11151d
rgbrgb(17, 21, 29)
hslhsl(220, 26%, 9%)
oklchoklch(0.195 0.017 264)
Closest name: Back in Black (#16141c)Relative luminance 0.0074

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1d1911

#111b1d · #13111d

#1d1115 · #151d11

Split-complementary

Open in tool →

#1d1311 · #1b1d11

#1d111b · #1d1911 · #111d13

Contrast

#11151d as textRatioAAAA largeAAAFix
Aaon white
18.28:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #6277a3 as the text (4.69:1)
  • AAA: use #8596b7 as the text (7.04:1)
  • AA: or shift the background to #808080 (4.63:1)
  • 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 #11151d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#11151d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #11151d
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 #11151d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11151d-9ca5c4-df694e-211f2d-e9f0f1?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