Color

#101915

#101915
hex#101915
rgbrgb(16, 25, 21)
hslhsl(153, 22%, 8%)
oklchoklch(0.203 0.015 165.8)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0086

Tints & shades

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

Harmonies

Complementary

Open in tool →

#191014

#101910 · #101819

#151019 · #191510

Split-complementary

Open in tool →

#191018 · #191010

#101019 · #191014 · #181910

Contrast

#101915 as textRatioAAAA largeAAAFix
Aaon white
17.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #52806b as the text (4.66:1)
  • AAA: use #6da28a as the text (7.19:1)
  • AA: or shift the background to #808080 (4.54:1)
  • AAA: or shift the background to #a3a3a3 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #101915 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#101915 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #101915
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 #101915 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/101915-a2beb5-d459cc-1f2d2d-e9f1ea?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